What 48-bit-long physical address is used to identify a network device?
MAC address
What is the CIDR notation used for the 255.255.255.0 subnet mask?
/24
What is the address range used for Class D, multicasting?
224.0.0.0 to 239.255.255.255
You have four networks combined with three routers in series. If you are on the first network and want to send a packet to the fourth network, how many hops would it travel?
3
What type of addressing sends packets to a single host?
unicast
Approximately how many addresses does IPv4 support?
4 billion
Which of the following addresses can be routed over the Internet?
132.16.3.24
What technology is used for multiple private addresses to access the Internet through a single public address?
NAT
What type of addressing sends packets to all computers within a network segment?
broadcast
What logical truth table is used to isolate the network address from IP address using the subnet mask?
AND
When you send a packet to a host in a remote network, the packet is forwarded to the ___________.
default gateway
What is the first half of a MAC address called?
organizationally unique identifier
What is the default subnet mask for a Class B network?
255.255.0.0
Which protocol is used on the Internet to provide addressing?
IP
You have a class C network that needs to support 14 subnets. What would the subnet mask be?
255.255.255.240
How many Class C networks are specified within IPv4?
2,097,152
When you view an IPv4 address, the address is divided into _________.
octets
What network service automatically assigns IP addresses to hosts?
DHCP
What is the default subnet mask for the 198.25.4.129 address?
255.255.255.0
What do you call the numbering system that is based on 0s and 1s?
binary
How many hosts does a Class C network support?
254
Which of the following is a broadcast address?
255.255.255.255
Your system is configured to receive DHCP addresses. It is assigned an address of 169.254.34.7. What type address is this?
Microsoft Automatic Private IP Addressing
What type of addressing sends a single packet to multiple computers?
multicast
How many Class A networks are defined within IPv4?
127
What would the AND result be for 1110 and 1100?
1100
An IPv6 address contains how many bits?
128
What is the subnet mask for a /26 CIDR notation?
255.255.255.192
Which of the following is not a private IP address range?
128.0.0.0 to 128.255.255.255
What hexadecimal character represents the decimal value of 10?
A
Which of the following is a basic task that SSL is not designed for?
agent authentication
What command is used to test IP connectivity between two hosts?
ping
What is used to determine which upper-layer protocols, services, and processors each data segment is intended for?
IP address
What protocol does the ping command use?
icmp
What port does HTTP use by default?
80
What routing type is manually defined?
static routing
Which of the following is not a layer in the TCP/IP reference model?
Intranet
__________ is a protocol used to secure Internet communications.
SSL
What represents the number of routers it takes to get from one destination to another?
hops
What protocol is used to stream voice or video over a TCP/IP network?
RTP
Which connectionless transport protocol does not guarantee reliable delivery?
UDP
What type of port ranges from 0 to 1023?
well-known ports
What type of port ranges from 1024 to 49151?
registered ports
Which protocol translates an IP address into a MAC address?
ARP
What command tests connectivity between two hosts while showing each hop between the two hosts?
tracert
Which connection-oriented protocol ensures that data gets its final destination?
TCP
What is a set of agreed-upon instructions designed to allow computers to communicate to each other across a network connection?
protocol
Which core protocol used within a TCP/IP network gets messages from one end point to another?
tcp
Which protocol is used to resolve host names to IP addresses?
DNS
What is a group of networking protocols designed to work together to accomplish a task requiring communications?
protocol suite
Which core protocol used on the Internet moves data packets from one location on a packet-switched network to another location based on a logical address?
IP
What protocol uses TCP port 25?
SMTP
Which type of routing protocol are RIP and IGRP?
distance vector routing protocol
What type of port ranges from 59152 to 65535?
dynamic ports
What protocol is used to assign IP addresses automatically to a host?
DHCP
What measurement is used to choose the best route to a specific location?
metrics
What protocol is used to send and manipulate files over a TCP/IP network?
FTP
What mechanism is used to send one set of packets to multiple hosts at the same time?
multicasting
What protocol is used to carry voice data over a packet switched networks?
VoIP
Which protocol is used to retrieve emails?
POP3
Which TCP/IP protocol do IP hosts use to join or leave multicast groups and routers use to find multicast group members?
ICMP
Which of the following prompts is the global configuration prompt?
Switch(config)#
Which of the following prompts is the privileged mode prompt?
Switch#
What command do you use to save the current configuration so it will be used at boot time? Hint. There are two correct answers
Switch# write mem
or
Switch# copy running-config startup-config
If you want a directory or listing of files what command do you use?
Switch# dir flash:
What command would you use to make changes to all interface from interface fa0/1 - fa0/12 at one time?
Switch(config)# int range fa0/1 - 12
If you ever need help with what commands are available to you on a Cisco switch or router you type a &
False
Line interactive UPSs are most commonly found used in smaller residential settings
True
Double conversion on-line UPSs provide the best and cleanest power for equipment.
True
What type of server uses the most space per server?
Tower Systems
If you want to enter privileged mode from the unprivileged mode what command do you use?
Switch(config)# enable
The terminal emulator we use in our labs to connect to the switches is called?
Putty
Which command will take you to the global configuration mode?
configure terminal
Interface configuration terminal
Switch(config-if)#
Global Configuration Terminal
Switch(config)#
Privileged Mode Prompt
Switch#
Non-Privileged Mode Prompt
Switch>
To go from non-privileged mode to privileged mode you use the following command.
enable
What command do you use to upgrade the IOS firmware in a switch?
Admin-DC-6509-1# archive tar /x tftp://<your IP address>/<filename> flash:
Which command formats a switches flash memory?
Admin-DC-6509-1# format flash:
By default all ports are enabled on Cisco switches.
True
What command should be used to erase the configuration of a Cisco router?
Router# erase nvram:
If you do not know what commands are available to you or you need help with options what can you type to get help?
help
If I wanted to make a change to port 1 on our switches what command do I need to use?
switch(config)# int fa0/1
If I want to add a description to a particular port what command do I use?
switch(config-int)# description Exumanator 2000 Uplink
What command is used to start the base configuration of a Cisco switch or router?
switch# setup
Which of the following describes best RAID 5.
Disk Striping with Parity
Which of the following describes best RAID 0.
Disk Striping
Which of the following describes best RAID 1.
Disk Mirroring
You can not make a RAID set up from other RAID sets.
False
If a single disk in a RAID 5 set fails you have lost all your data.
false
If a single disk in a RAID 1 array fails you have lost all your data.
false
If one disk in a RAID 0 set fails you have lost all your data.
True