A network technician is unable to connect to the main switch with Telnet. Gathering information, he discovers that there was a recent generator test and now several users are reporting network connectivity issues. Which of the following is the MOST likely
Power Loss
A technician needs to manage a multi-layer switch with a secure connection. Which protocol should she use?
SSH
Network technician Raj has tested a theory of probable cause and discovered that the theory was incorrect. Which of the following would be the NEXT step in the troubleshooting process?
Escalate the issue
A new corporate division has been established and a new section of the building is being built out for them. Fifty new employees will need to access the wireless network. What does Yolanda, a technician, need to complete so these new employees can access
Additional WAP's need to be installed
Which table maps a destination MAC address to a port within a switch?
MAC Address lookup table
What does HVAC have to do with a rack installation?
Heating, ventilation, and air conditioning (HVAC) manages environments temperatures
Corporate network data needs to be separated into different broadcast domains. Which of the following can Ashley, the network administrator use? (Select TWO.)
VLANS and Routers
Identify two characteristics of logging and analysis utilities. (Select two.)
They can present results in graphical format, and they can analyze utilization of network capacity, storage use, CPU load and other parameters
Real-time Transport Protocol (RTP) uses which port(s)?
5004/5005
Multiple servers in an organization handle requests for a Web server through the same public IP address. Which network device can BEST accomplish this task?
Load Balancer
What are three main considerations in a rack installation? (Select three.)
Mounting, power, and environment
TCP/UDP port 88 is the default for which of the following services?
Kerberos
Get, Response, Set and Trap are communications that occur between an SNMP manager and an SNMP managed device. These communications are examples of what?
PDU
When enabled on an Aruba wireless access point, 802.11a-ht and 802.11g-ht is more commonly known as what?
Mixed Mode
Which term describes the rate at which usable information bits are delivered from one node to a destination?
Goodput
A private school has installed a server that has seen a huge spike of legitimate traffic in the last week. With the rapidly increasing traffic requests, the server managers want to ensure the site has no problems as the requests continue to grow. For Bene
High Availablity
A user encounters increased delay times and timeouts when trying to reach several Internet sites. Which utility would MOST likely be used to investigate the problem at the user's workstation?
nslookup
Network administrator Basil has been assigned the task of installing wireless access throughout the entire building. One of the constraints is to utilize a single SSID. Which of the following options will meet this requirement?
Set the SSID on each WAP and set contigous WAP's to different channels
A network technician is going to set up a SOHO network to give all of the employees access the Internet. The company has the following equipment:
- Four computers with wired and wireless NICs
- A router with three LAN ports
- Two Ethernet cables
- A cable
The router can be physically connected to the modem and the PC can be physically connected to the router. All other PCs must connect wirelessly
Which multiplexing techniques are most commonly used to combine multiple analog signal streams for transmission along a single medium? (Select two.)
TDM
FDM
Which IT changes should be documented by the change-management team? (Select three.)
Additions to the Network
Network Configuration
Physical Location Changes
What must be done at the ends of a Thin-net segment in order for 10Base2 to function?
Terminator resistors must be installed
Phylicia is trying to open a page on her favorite Web site, but her browser shows a message that says, "This page cannot be displayed." However, she can successfully ping the default gateway. Which of the following is the MOST likely cause of the problem?
Incorrect DNS Settings
How can a network engineer make certain that devices with static IP addresses would receive the same IP address if the network reverted to dynamic addressing?
DHCP Reservation
A company wants to connect several computers within a large warehouse. The warehouse has a single computer at the very far end of the warehouse that is 180 meters (590 feet) from the network switch. What kind of cable should a technician use for the long
Fiber
An organization wishes to install a wireless network into a shared office space. There are a number of nearby wireless networks from other companies that can be detected within the office space. What should a network technician configure on the new wirele
Channel
SSID
Network upgrades have been completed and the network protocols have been modernized. The WINS server was shut down. Since there is no need for NetBIOS traffic, it will no longer be allowed on the network. Which of the following will accomplish this object
Port Filtering
Security is provided by encryption for which of the following protocols? (Select TWO.)
TLS
IPSec
When antenna gain is increased, which of the following happens on the wireless access point?
Cell size increases
Which authentication, authorization, and accounting (AAA) technology is MOST widely used with remote access technology?
RADIUS
What is the primary defining characteristic of a loopback interface?
It is always on
Using an ACL in a firewall to block known malicious Web addresses is an example of which of the following?
IP Filtering
Personal Area Networks (PAN) are made using point-to-point connections and short-distance wireless network interfaces. Which option would not be used in a PAN?
LAN
Before an Ethernet NIC may transmit data onto a medium, it must check to see if another NIC is transmitting data. What is this checking process called?
Carrier Sense
A network consultant looks at a new installation order and sees the following elements that will make up the network backbone: - ISP - Switch - Firewall - PC. What is the BEST order that the components should be installed to achieve a proper setup?
ISP, Firewall, Switch, PC
What is the quickest and easiest technology available to keep servers and equipment up and running?
Battery Backup/UPS
A company has added new offices in a space that is 370 feet (113 meters) away from the networking equipment. A technician has been assigned to run CAT6 cables to the new offices. The tech installs a 500-foot (152-meter) run of CAT6 cable. When testing the
Install two CAT6 cables with a repeater
A small office has just expanded into the neighboring office space, which is 25 feet (~8 meters) away from the existing offices. A technician must establish connectivity between the old and the new offices. Which of the following solutions provides the MO
Make a CAT5 connection between offices via the patch panel located in the buildings communications closet
IPv6 resolution uses what type of DNS record?
AAAA
A functioning switch port that does not accept or forward normal frames is in what state?
Blocking
A company wants to securely connect a remote site with its main campus. They have decided to use a VPN to accomplish this. Which of the following VPN methods is BEST used for this type of connection?
Site-to-site
User Leia is trying to map a drive to a known NetBIOS share, but is unsuccessful. She pings the server that holds the share and gets a quick response. Which tool should she use to check if NetBIOS is enabled?
nbstat
Probing a host's open ports to learn more about its services and vulnerabilities is known as what?
Banner Grabbing
Over the course of a day, network administrator Asa noticed that the network was slowing down. Within an hour of the first symptom, the network was showing 100% utilization. While investigating the issue, Asa discovered that most of the traffic was coming
A user plugged both ends of a patch cable into the switch jacks
Network technician Kyle is troubleshooting a connectivity problem with a new data circuit. Kyle confirms that the ST fiber jumper is good. Which of the following is the problem?
TX/RX is reversed
Clark is a user who took his laptop on a vacation to Wally World. He configured the laptop to match the wireless setting at the hotel. Clark can reach his FTP server using the FTP server's IP addresses, but he cannot access any Internet resource by their
Incorrect DNS
When setting up a SOHO network, what should technician Dave accomplish FIRST?
Create a list of requirements and constraints
Network administrator, Willard, would like changes to DNS "A" and "PTR" records to be updated automatically. Which service would Willard use to automatically create or update a client's DNS "A" and "PTR" records?
DHCP
Which document is a contract that defines the scope, quality, and terms of service to be provided by a vendor?
SLA (Service-Level Agreement)
In a stack of connected switches, a technician discovers one switch is not communicating with the others. What is the MOST likely reason?
The cable is not a crossover
Gwen is a corporate user who cannot access any network resources. The technician has determined that the problem is isolated to Gwen. There have been no changes to her workstation or switch port recently. Which of the following steps in the troubleshootin
Establish a theory of probable cause
Which numbering system represents values using digits from 0 through 7?
Octal
Which of the following attacks enables a malicious person to view network traffic if the attacker is on the same network as the users?
Man-in-the-middle attack
What would be the appropriate hardware for joining two segments of fiber-optic cable?
Fiber Coupler
Your company requires the use of a smart card, biometric device, and a user name/password to login to your system. What kind of authentication are they using?
Multi-factor Authentication
Which network solution provides at least 50 Mbps of bandwidth and supports full duplex communication?
10/100 layer 2 switch
What technology passes IP data over home-entertainment-device interconnect cables?
Ethernet over HDMI
Vicky is a network technician who has installed a new managed 10/100 Mbps switch on the LAN. The network has an old printer with a 10 Mbps NIC that will be connected to the new switch. Which of the following settings on the switch will need to be configur
Port Speed
A network administrator wants to setup two-factor authentication. Which of the following will accomplish this?
A username, password, and a key fob
A customer has a requirement to monitor all internally- and externally-bound traffic. Which technology enables a packet sniffer to accomplish this?
A managed switch with port mirroring
Griselda is a technician who has installed a new WAP. Users are able to connect, but they cannot access the Internet. Which of the following is the MOST likely cause of the problem?
An incorrect subnet mask has been entered in the WAP configuration
Which signaling category allows multiple signals to simultaneously exist on network media?
Broadband
What are common reasons for a poor or non-working fiber-optic link? (Select three.)
Dirty Connectors
Wavelength Mismatch
Distance Limitations
Which standard is commonly used to control thin-client wireless access points?
LWAPP
What type of connector is used for RG-6 cables?
F-Connector
The network admin has decided that he wants a high degree of network security. He wants to prevent requests to the Internet coming directly from users. What would be the BEST recommendation?
Proxy Server
SNMPv3 provides which of the following the BEST over previous versions of SNMP?
Increased Security
What is the name for the point where an IPS's responsibility for an Internet connection ends?
Demarc
Which options represent common hashing techniques? (Select two.)
MD5
SHA
Which choice is a self-contained VoIP solution, implemented in the Cloud, that provides a PSTN connection to a client station?
Unified Voice Service
At lunch time on Friday, the development department holds an online gaming session. They share bandwidth with the rest of the company, and the performance hit impacts the administration division to the point that the accountants cannot work on the network
Traffic Shaping
Network technician Drew is installing a new 48-port switch. Drew needs to configure the switch to avoid switch looping. Which of the following should Drew enable?
Spanning Tree
What document is used when a formal contract for services is not appropriate?
Memorandum of Understanding
UDP port 69 is used by what protocol?
TFTP
What does posture assessment do?
A Cisco process that queries a host to see if it meets certain security criteria
A consultant has been brought in to inspect an office that has encountered frequent wireless issues. A wireless survey of the area shows that there are seven nearby SSIDs. The company's Wi-Fi network is on channel six, as are three of the other found netw
Frequency Interference
A firewall that checks out all the incoming traffic and decides if the traffic is going to be allowed or filtered out is an example of which of the following?
Stateful Inspecting
A new wireless network has been dropping connections. Network technician Sarah Kerrigan is troubleshooting the issue and discovers that there is another wireless network in the area. Which BEST explains the reason for the dropped connections?
Interference
Network technician Sal must run cabling from one office to a neighboring office by running cables over the light fixtures in the common ceiling that connects them. Which type of cable will best prevent interference from the lights?
Multi Mode Fiber
This seldom-seen threat uses commands to a switch to change a Switchport to a trunk link.
VLAN Hopping
Users are seeing messages and warnings on their computers about duplicate IP addresses and are encountering connectivity problems. A quick check of the change management log shows that network technician Ursula installed a new DHCP server on the network l
A second DHCP Server on the network
Many users on a small network report that while they can share files with each other, they can no longer access the Internet. Troubleshooting reveals that Internet addresses are failing to resolve to IP addresses. Which technology is malfunctioning?
DNS
Which technology improves Ethernet data-transmission speed over a network?
Jumbo Frames
A technician believes that there is a duplicate IP address on the network. Which resource can best help her to verify this problem?
Syslog
Users who are retrieving information from a company server on the network are experiencing slow access times. Which tool would provide access time information on each segment of the network to reach the server?
Tracert
Kareem is a network technician who needs to connect a new desktop computer to a switch. The only cable he could find in the office for the installation had wires at each end that are color coded like this:
End A pinouts:
1 - orange-white, 2 - orange, 3 -
Purchase a straight through cable
Hosts attach to a 10Base2 network using what type of connector?
BNC-T Connector
Preparation for incidents is a multifaceted process that includes which tasks? (Select two.)
Vulnerability scanning and penetration testing
Management wants to filter data that enters or leaves a specific port on a switch. Which network management tool can perform this filtering task?
Network Sniffer
A technician is installing a wireless network using the 802.11n wireless protocol. To enhance network security, he does not want the access point to broadcast the network name. What characteristic of the access point should he disable?
SSID