Which of the following is the best definition for a LAN?
A network in a small geographic area, like in an office.
Which of the following terms refers to a network resource sharing model that uses access control lists saved on each computer? (Select two.)
Peer-to-peer
Workgroup
Which of the following is a rating of the amount of data that can be sent over a network in a period of time?
Bandwidth
Which of the following terms describes a group of computers and users that utilize centralized resources, administration, and security settings? (Select two.)
Domain
Directory
Which of the following are advantages of using a domain to manage a network? (Select two.)
Scalability
Centralized administration
You have a network that uses a logical ring topology. How do messages travel through the network?
Messages travel from one device to the next until they reach the destination device.
You have a network that uses a logical bus topology. How do messages travel through the network?
Messages are broadcast to all devices connected to the network.
Which of the following topologies connects each network device to a central hub?
Star
You have implemented an ad-hoc wireless network that doesn't employ a wireless access point. Every wireless network card can communicate directly with any other wireless network card on the network. What type of physical network topology has been implemen
Mesh
Match the network types on the left with the descriptions on the right. Each network type may be used once, more than once, or not at all.
Local Area Network (LAN)
Personal Area Network (PAN)
Metropolitan Area Network (MAN)
Wide Area Network (WAN)
Wireless Local Area Network (WLAN)
Metropolitan Area Network (MAN)
Local Area Network (LAN)
What device is used to create a physical star topology?
Switch
Which network component connects a device to the transmission media and allows it to send and receive messages?
Network interface card
Which of the following statements accurately describes how a modem works? (Select two.)
It demodulates analog data from a telephone network into digital PC data.
It modulates digital data from the PC into analog data and transmits it on a telephone network.
Which of the following is a valid MAC address?
C0-34-FF-15-01-8E
(6 groups, Hex)
A host wants to send a message to another host with the IP address 115.99.80.157. IP does not know the hardware address of the destination device. Which protocol can be used to discover the MAC address?
ARP
Which of the following LAN devices receives a signal on one port, and forwards that signal only to the port where the destination device is connected?
Switch
Which of the following best describes how a switch functions?
It connects multiple cable segments (or devices), and forwards frames to the appropriate segment.
Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents?
Hub
How do switches and bridges learn where devices are located on a network?
When a frame enters a port, the source MAC address is copied from the frame header.
(not destination)
An 8-port switch receives a frame on port number 1. The frame is addressed to an unknown device. What will the switch do?
Send the frame out ports 2-8.
You have a computer with an onboard LAN adapter. The LAN adapter has failed and you are unable to connect the computer to the network. What should you do?
Add a network card using a PCI slot.
What type of cable configuration is shown here and what is it used for?
Crossover cable configuration. Used to connect computers directly to one another for networking.
Match the fiber optic cable types on the left with the appropriate characteristics on the right. Each cable type may be used once, more than once, or not at all.
-Data transfers through the core using more than one light rays
-The core diameter is around
Multimode
Single Mode
Single Mode
Multimode
Single Mode
Multimode
Which kind of connector do you use to connect a modem to a standard telephone line?
RJ-11
(Baby brother of RJ-45)
Which of the following situations is more likely to justify the investment in Category 6a cable instead of Category 6?
The work area has a lot of electromagnetic interference (EMI).
(The notes say Cat 6e?)
Which connector is used with unshielded twisted pair (UTP) cable?
RJ-45
What type of cabling can be used for an Ethernet 100Base-T (100 Mbps) network? (Select two.)
Category 5e UTP
Category 5 UTP
(Cat 3=10Mb)
Which of the following are advantages of using fiber optic cabling for a network, as opposed to other types of cabling? (Select two.)
Greater cable distances without a
Immunity to electromagnetic interference
What is a major benefit of STP over UTP?
Greater resistance to interference
You are installing networking cable in the air space between the ceiling and the roof of a building. Which type of cabling should you use?
Plenum
Which of the following are characteristics of coaxial network cable? (Choose two.)
It has a conductor made from copper in the center of the cable.
It uses two concentric metallic conductors.
You have just signed up for a broadband home Internet service that uses coaxial cable. Which connector type will you most likely use?
F-type
(BNC is older)
Which network type uses light pulses to transmit data?
Fiber Optic
You are using a crimper to attach an RJ-45 connector to a Cat 6 UTP cable. You need to use the T568A standard to connect the individual wires to the connector. Which wire should be connected to pin 1?
Green with white
(T568A= GW, G, OW, B, BW, O, BrW, Br)
Your network follows the 1000Base-T specifications for Gigabit Ethernet. What is the maximum cable segment length allowed?
100 meters
Which of the following is true of a network using the 1000Base-T standard? (Select two.)
The network uses copper UTP cables
The network operates at one gigabit per second
A medical center wants to upgrade their network backbone to 10 Gigabit Ethernet (10 Gbps) so they can perform daily backups of large amounts of data to the secure on-site storage area network (SAN) without bogging down the network. Some of the backbone se
Multimode fiber optic
(Max Twisted Pair is only 100 Meters)
Which type of fiber optic cable supports 10 Gigabit Ethernet with a maximum segment length of up to 40 km?
10GBaseER single-mode
(10GBaseST=300m "short," 10GBaseLR=10km "long," 10GBaseER=40km "extreme")
Match the types of Ethernet connectivity devices on the left with the corresponding descriptions on the right. Each type of Ethernet connectivity device may be used once, more than once, or not at all.
Connects segments on the same subnet. Forwards signal
Switch
Bridge
Router
Hub
Switch
Hub
Router
Which of the following devices allows network communications to be transmitted over existing AC power lines?
Ethernet over Power
(not Power over Ethernet, opposite of PoE)
Which of the following is a wired networking method most commonly used today by desktop PCs and other network devices to connect to a local area network?
Ethernet
Which of the following devices can be used to distribute electrical power along with network data on twisted-pair Ethernet cabling (CAT 5 or higher)?
Power over Ethernet
Which of the following is a valid IP address? (Select two.)
2.2.2.2
172.16.1.26
Which of the following IP addresses are Class C addresses? (Select three.)
222.55.0.0
223.16.5.0
192.15.5.55
Which of the following IP addresses belong to the Class A network 114.0.0.0? (Select three.) (Tip: Assume the network is indicated by the default Class A portion of the IP address.)
114.122.66.12
114.58.12.0
114.0.0.15
Which of the following IP addresses have a default subnet mask of 255.255.0.0? (Select three.)
191.168.2.15
168.16.5.1
129.0.0.1
Which of the following IP address ranges is reserved for Automatic Private IP Addressing?
169.254.0.1 - 169.254.255.254
(APIPA)
You have a small home network that uses 192.168.1.0 with the default subnet mask for the network address. The default gateway address is 192.168.1.254, and the router is providing DHCP on the network. The Wrk2 computer has been assigned the IP address of
127.0.0.1
You want to use your Windows workstation to browse the web sites on the Internet. You use a broadband DSL connection to access the Internet. Which network protocol must be installed on your workstation to do this?
IP
Which protocols are used on the Internet to transmit Web pages from Web servers to Web browsers running on client workstations? (Select two.)
HTTP
HTTPS
You want to allow your users to download files from a server running the IP protocol. You want to protect access to the files by requiring user authentication to access specific directories on the server. Which IP protocol should you implement to provide
FTP
(Although FTP isn't very secure....)
What protocol is used to send e-mail messages from a mail client to a mail server?
SMTP
(not IMAP or POP3)
You want to implement name resolution on the Linux workstations in your company. Which protocol will you use to do this?
DNS
Which IP protocol is used by Web browsers and Web servers to exchange files?
HTTP
(Web)
Which of the following protocols do e-mail clients use to download messages from a remote mail server?
POP3
(or IMAP, not SMTP)
You've just installed the DNS service on a Windows server. Which port must be opened in the server's firewall to allow clients to access the service?
53
Match the port numbers on the left with the protocols associated with them on the right.
Secure Shell (SSH)
Apple Filing Protocol (AFP)
HTTP over SSL (HTTPS)
Hypertext Transfer Protocol (HTTP)
Server Message Block (SMB/CIFS) directly over TCP
Service Loca
22
548
443
80
445
427
143
Which of the following statements about the Dynamic Host Configuration Protocol (DHCP) are true? (Select two.)
It can deliver a DNS server address in addition to the host IP address.
A workstation must request addressing information from a DHCP server.
You are setting up a small network in your office with one Windows server and 50 Windows workstations. You want to spend as little time as possible configuring the workstations with IP addressing information. What should you do?
Install the DHCP service on your server.
Which TCP/IP configuration parameter identifies the router that is used to reach hosts on remote networks?
Default gateway
Which tool would you use in Windows Vista/7 to manage network connections?
Network and Sharing Center
(not Internet Options)
Which service can you use on your network to automatically assign IP addresses to hosts and to help prevent the same address from being assigned to two different hosts?
DHCP
Which mechanisms could you use to resolve a hostname into its associated IP address? (Select two.)
DNS
hosts file
You are the computer specialist in a small business. Your company server is named FS1 and has an IP address of 10.0.0.2. The hardware in your company server has started to experience intermittent failures, so you transferred the shares on the server to a
ipconfig /flushdns
A Windows workstation is configured to receive its IP configuration information from a DHCP server on the company network. The user at the workstation reports that she cannot use email and is unable to reach the Internet. Using the ipconfig command you se
APIPA
DHCP is down
You have a host on your network that provides a service that requires the server to always use a specific IP address. Which IP addressing method can you use to manually assign the specific IP address?
Static IP Addressing
You have a user who takes his laptop home every day after work. When he's working in the office, the laptop must get an IP address from the DHCP server so you configure it to obtain IP and DNS information automatically. When he's working from home, the la
Alternate IP Configuration
Lab
Lab
Which of the following are valid IPv6 addresses? (Select two.)
141:0:0:0:15:0:0:1
6384:1319:7700:7631:446A:5511:8940:2552
Which of the following is a valid IPv6 address?
FEC0::AB:9007
Which of the following correctly describe the most common format for expressing IPv6 addresses? (Select two.)
Hexadecimal numbers
32 numbers, grouped using colons
Which of the following describes an IPv6 address? (Select two.)
128-bit address
Eight hexadecimal quartets
Which of the following identifies the Interface ID component of an IPv6 address? (Select two.)
The last 64 bits of an IPv6 address
The last 4 quartets of an IPv6 address
Which of the following identifies the prefix component of an IPv6 address? (Select two.)
The first 4 quartets of an IPv6 address
The first 64 bits of an IPv6 address
The following is an example of an IPv6 address:
FEC0:1319:7700:F631:446A:5511:CC40:25AB
Which part of the example IPv6 address is the prefix?
Which quartet in the example IPv6 prefix is used to identify the subnet?
Which part of the example IPv6 address i
FEC0:1319.....
F631
446A;5511....
Which of the following describes the part of the IPv6 address that identifies the subnet address?
The last quartet in the IPv6 address prefix
LAB
LAB
Which of the following features on a wireless network allows or rejects client connections based on the hardware address?
MAC address filtering
Which of the following is used on a wireless network to identify the network name?
SSID
Which type of configuration would you use if you wanted to deploy 802.11n technology to communicate directly between two computers using a wireless connection?
Ad Hoc
You are designing a wireless network for a client. Your client needs the network to support a data rate of at least 150 Mbps. In addition, the client already has a wireless telephone system installed that operates 2.4 GHz. Which 802.11 standard will work
802.11n
(a,b,g,n,ac)
Which of the following are characteristics of the 802.llg wireless standard? (Select three.)
Backwards compatible with 802.11b devices
Maximum bandwidth of 54 Mbps
Operates in the 2.4 GHz range
Which of the following locations will contribute the greatest amount of interference for a wireless access point? (Select two.)
Near backup generators
Near cordless phones
Which of the following recommendations should you follow when placing wireless access points (WAPs) to provide wireless access for users within your company building?
Place WAPs above where most clients are.
You have been contacted by OsCorp to recommend a wireless Internet solution. The wireless strategy must support a transmission range of 150 feet, use a frequency range of 2.4 GHz, and provide the highest possible transmission speeds. Which of the followin
802.11n
(not 802.11g)
Which wireless standard has the highest data transfer rates?
802.11n
You are designing a wireless network for a client. Your client needs the network to support a data rate of at least 54 Mbps. In addition, the client already has a wireless telephone system installed that operates 2.4 GHz. Which 802.11 standards will work
802.11n
802.11a
You are designing an update to your client's wireless network. The existing wireless network uses 802.11b equipment, which your client complains runs too slowly. She wants to upgrade the network to run at 150 Mbps. Due to budget constraints, your client w
802.11n
Which of the following wireless networking standards uses a frequency of 5 GHz and supports transmission speeds up to 1.3 Gbps?
802.11ac
The 802.11ac wireless networking standard provides increased bandwidth and communication speeds by using which of the following technologies? (Select two.)
Channel bonding to combine more channels in the 5 GHz band to allow for up to 160 MHz wide channels
MU-MIMO to allow multiple users to use the same channel
Lab
Lab
A portable computer connected to a printer with an infrared interface works fine inside your office. However, when you go outside it works sporadically. How can you fix this? (Select two.)
Block any direct and reflected sunlight from the pathway between the PC and the printer.
Move the printer closer to the computer.
You want to use a wireless keyboard and mouse with your laptop computer. Which method should you choose?
Bluetooth
What is the maximum range of the Bluetooth 2.0 specification for Class 1 devices?
100 M
(Class 1=100, Class 2=10, Class 3=1)
Which of the following are characteristics of Bluetooth? (Select two.)
2.4 GHz radio wireless
Ad hoc connections
What is the maximum transmission speed for Bluetooth v3 and v4 devices?
24 Mbps
You need a type of wireless connection that can transfer data between your phone, PDA, and laptop. You are transferring sensitive information. Which would be the best choice?
Bluetooth
You want to use a wireless printer at home. The printer will be used by two computers in two different rooms. Which interfaces could be used to do this?
Wireless Ethernet
Which of the following wireless communication technologies can be described as follows?
� Has a very limited transmission range, of less than two inches
� Used with credit cards and passports
� Slower than other wireless technologies
� Constantly emitting
NFC
Drag the wireless networking technology on the left to its associated transmission distance limitation on the right. Each technology can be used more than once.
Up to 100 meters for Class 1 devices
Bluetooth
Up to 30 meters in areas without interference Infrared
Up to 10 meters for Class 2 devices
Bluetooth
You are installing a satellite connection so your home office can connect to the Internet. Which of the following statements is true?
The satellite dish must be pointed in the correct direction for communicating with the satellite.
Which of the following are used to connect a cable modem to the Internet connection? (Select two.)
F-type connectors
RG-6 coaxial cable
To access the Internet through the Publicly Switched Telephone Network (PSTN), what kind of connectivity device must you use?
Modem
You are talking with a customer support technician on the telephone. The technician recommends downloading a particular driver from Internet. When you try to connect to the Internet using your modem, you can't. What is the problem?
You need to hang up.
Which type of network medium is used by an Integrated Services Digital Network (ISDN) adapter?
Copper telephone
(not Cable TV coaxial cable)
Which of the following network technologies is packaged as part of a BRI plan?
ISDN
(Europe, uses BRI and PRI)
Which of the following are features of Basic Rate ISDN (BRI)? (Select three.)
Dial-up connection
One control channel
Two data Channels
When configuring an ADSL installation, where should you to install the DSL filters?
On connections leading to an analog phone
Which actions allow you to access the Internet on your laptop via a cellular network?
Install a cellular USB adapter in a open port on the laptop.
You are configuring an ADSL connection. Which of the following will be part of the configuration? (Select two.)
Filters or splitters
RJ-11 connectors
A healthcare organization provides mobile clinics throughout the world and needs to transfer patient statistical data to a central database via the Internet. Which network technology should you select to ensure network connectivity for any clinic located
Satellite
Which of the following types of Internet connection services can allow you to be truly mobile while maintaining your Internet connection?
Cellular
(mobile HotSpots use Cellular)
Which of the following are options for connecting a computing device, such as a notebook computer or a tablet, to a cellular network? (Select all that apply.)
Use a USB cellular antennae to connect the device directly to the cellular network
Use a USB cable to connect the device to the network through a smartphone
Use the device's wi-fi to connect to the network through a cellular wi-fi hot spot
Use an integrat
Which of the following are good reasons to enable NAT?
To translate between Internet IP addresses and the IP addresses on your private network
Which of the following is not one of the ranges of IP addresses defined in RFC 1918 that are commonly used behind a NAT router?
169.254.0.1 - 169.254.255.254
(These are APIPA)
You have a computer that is connected to the Internet through a NAT router. You want to use a private addressing scheme for your computer. Which of the following IP addresses could you assign to the computer? (Select three.)
192.168.12.253
10.0.12.15
172.18.188.67
You recently installed a small office home office wireless router. To avoid security holes and bugs, what should you do to the router?
Update the firmware
You need to add security for your wireless network. You would like to use the most secure method. Which method should you implement?
WPA2
A customer has called and indicated that he thinks his neighbor is connecting to his wireless access point (WAP) to use his high-speed Internet connection. Which of the following will help resolve this issue? (Select two.)
Implement WPA2.
Disable SSID broadcast on the WAP.
You have a small wireless network that uses multiple access points. The network uses WPA and broadcasts the SSID. WPA2 is not supported by the wireless access points. You want to connect a laptop computer to the wireless network. Which of the following pa
TKIP encryption
Preshared key
(WPA2= AES)
You have a small wireless network with less than 50 client computers. You upgraded the hardware on two wireless devices so you can use a better security standard than WEP. Now you need to implement the new security standard. You need the greatest amount o
Implement WPA2-AES
Configure each client with the same key
Which of the following is the primary device needed to set up a SOHO network?
Wireless router
List the general steps that are used to configure a SOHO router and set up the network. (Assume that the wireless router does not also function as a modem.)
Use the arrows to move the correct steps from the left to right. Use the up and down arrows to put
Configure the Internet connection
Configure the wireless router
Enable NAT
Configure the DHCP
Secure the SOHO network
When you enable quality of service (QoS) on a SOHO network, which of the following is an example of a network feature that could be implemented?
Give VoIP network traffic higher priority and more bandwidth than HTTP (web browser) traffic.
Which of the following tools allow for remote management of servers? (Select two.)
SSH
Telnet
Which utility would you use to view current connections and active sessions and ports on a computer?
Netstat
(keyword: ports)
Which of the following utilities can you use from the command line on a Linux system to see a list of the installed network interfaces, along with their current status and configuration?
ifconfig
You need to view detailed IP configuration information on Windows workstation. In addition to the IP address, subnet mask, and default gateway configuration, you need to know see the network card's MAC address and the addresses of the DHCP and DNS servers
ipconfig /all
ipconfig /flushdns
Match the utility on the left with the corresponding descriptions on the right. Each utility may be used once, more than once, or not at all.
Resolves (looks up) the IP address of the specified hostname
Tests connectivity between devices and shows the rou
nslookup
tracert
ping
netstat
ping
netstat
ping
Which of the following utilities would you use to do the following?
� Establish a remote server management session
� Send unencrypted (clear text) transmissions to the remote server
� Use mostly to manage specialized industrial and scientific devices
Telnet
What is name of the utility, which is similar to Telnet, that you can use to establish a secure remote server management session?
(typed)
ssh
You have a small network. All computers are running Windows 7. You have created a HomeGroup for your network. You have a laptop that you use at work that runs Windows 7 Professional. You connect the laptop to the network. You are unable to see shared file
Join the laptop to the HomeGroup.
You have a Windows 7 computer connected to a small network that is not part of a domain. You want to see the computers and printers on the network. Which feature would you use?
HomeGroup
(not Devices and Printers)
You want to join your computer to a homegroup but you don't see any homegroups on your home network. You know they have been set up on other computers at home, so what might be preventing you from seeing the homegroups that have been created? (Select two.
Network Discovery has been disabled on your computer
The network location is not set to Home Network.
Because of how simple they are to set up, you want to create a homegroup at the office. What is most likely to prevent you from setting up a homegroup at work? (Select two.)
Your computer belongs to a domain.
Your network location is not set to Home Network.
Your home computer belongs to a homegroup so that resources can be shared between other computers you have in your home. Where would you find the resources that are being shared from other computers?
In the Libraries container in Windows Explorer
A user on your network has been moved to another office down the hall. After the move she calls you, complaining that she has only occasional network access through her wireless connection. Which of the following is most likely the cause of the problem?
The client system has moved too far away from the access point.
A user calls to report that she is experiencing intermittent problems while accessing the wireless network from her laptop computer. While talking to her, you discover that she is trying to work from the break room two floors above the floor where she nor
The user is out of the effective range of the wireless access point on her floor.
You're trying to access your office network with your Windows workstation from home using your organization's virtual private network (VPN). Your DSL modem has connected to your ISP, but you can't connect to your office network. You issue the ipconfig com
Your ISP's DHCP server isn't working properly.
Your workstation is unable to communicate with any other computer on the network. Which of the following tools should you use to test the ability of the network card to send and receive signals?
Loopback plug
You are troubleshooting connectivity between your computer and the www.widgets.com server, whose IP address is 192.168.1.1. Which of the following commands tests connectivity to the device as well as name resolution?
ping www.widgets.com
(connectivity and name)
A user reports that he can't browse to a specific website on the Internet. From his computer, you find that a ping test to the Web server succeeds. A trace route test shows 17 hops to the destination Web server. What is the most likely cause of the proble
Incorrect DNS server address
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0 subnet, which uses the default subnet mask. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ip
Incorrect subnet mask
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0 subnet using the default subnet mask. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ipconfig
Incorrect default gateway
A user is having problems connecting to other computers using host names. Which of the following commands will help you troubleshoot this problem?
Nslookup
You work in an office that uses Linux and Windows servers. The network uses the IP protocol. You are sitting at a Windows workstation and an application you are using is unable to connect to a Windows server named FileSrv2. Which commands can you use to t
Ping
tracert
Which command would you use to have a workstation stop using an IP address that it obtained from a DHCP server?
ipconfig /release
You suspect large packets are being dropped on your network because of their large size. Which utility can you use to confirm your suspicion?
ping -I
Examine the following output:
Reply from 64.78.193.84: bytes=32 time=86ms TTL=115
Reply from 64.78.193.84: bytes=32 time=43ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Which utility pro
Ping
Examine the following output:
4 22 ms 21 ms 22 ms sttlwa01gr02.bb.ispxy.com [154.11.10.62]
5 39 ms 39 ms 65 ms plalca01gr00.bb.ispxy.com [154.11.12.11]
6 39 ms 39 ms 39 ms Rwest.plalca01gr00.bb.ispxy.com [154.11.3.14]
7 40 ms 39 ms 46 ms svl-core-03.inet.
Tracert
Which of the following are antenna types that are commonly used in wireless networks? (Select two.)
Directional antenna
Omnidirectional antenna