IT 341 FINAL QUESTIONS & VERIFIED ANSWERS
When a network administrator applies the subnet mask 255.255.255.248 to a Class A
address, for any given subnet, how many IP addresses are available to be assigned to
devices? - Answers - 6
If a PC does not have network connectivity to a router, which router port can be used to
establish communication? - Answers - console
Which communications tool allows real time collaboration? - Answers - Instant
messaging
In a new network installation, the network administrator has decided to use a medium
that is not affected by electrical noise. Which cable type will best meet this standard? -
Answers - fiber optic
What information can be learned during the initial router bootup? - Answers - the router
model and the amount of memory that is available
What does the "10" in 10Base2 indicate about this version of Ethernet? - Answers - The
version operates at a transmission rate of 10 Mbps.
What can a network administrator do to recover from a lost router password? - Answers
- boot the router to ROM monitor mode and configure the router to ignore NVRAM when
it initializes
Which feature describes a FastEthernet interface on a router? - Answers - must be
configured with a valid IP address and subnet mask in order to forward packets
Which function of the OSI model occurs at layer two? - Answers - physical addressing
What will occur if the command service password-encryption is entered on a router? -
Answers - It will apply a weak encryption to all unencrypted passwords
Which IP packet field will prevent endless loops? - Answers - TTL
A network administrator has enabled RIP on routers A and B in the network diagram.
Which commands will prevent RIP v1 updates from being sent to Router C? - Answers -
c. B(config)# router rip
B(config-router)# passive-interface S0/1
What was the original purpose of the Internet? - Answers - Military and research
, What is one characteristic of the support for Telnet within Cisco IOS software? -
Answers - Up to five separate Telnet lines are supported by default in standard edition
IOS files.
From the running-config, the following configuration entries are displayed:
Router(config)# line vty 0 2
Router(config-line)# password g8k33pr
Router(config-line)# login
What can be interpreted from the exhibited configuration? - Answers - Three Telnet
lines are available for remote access.
Which step describes how to create a functional physical connection between a router
console and a terminal? - Answers - ...
A small company has a class C network license and a subnet mask of 255.255.255.224.
Which of the following can be accommodated with this combination? - Answers - 5
subnets with 20 hosts each
What statement describes a function of a Tier 1 ISP? - Answers - Peers with other
similarly sized ISPs to form the global internet backbone
A network administrator must configure a FastEthernet interface with an IP address.
The configuration must also identify the remote site to which the interface is connected.
Which set of commands will meet these requirements? - Answers - c.
StPetersburg(config)# interface fa0/0
StPetersburg(config-if)# ip address 172.26.155.5 255.255.255.252
StPetersburg(config-if)# description San Jose T1
Neither router in the graphic has a host table or DNS available. The interfaces and
passwords have been correctly configured. Which of the following command will initiate
a Telnet session? - Answers - d. CHI# telnet 192.168.4.1
Which of the following cannot appear in the output of show interface serial? - Answers -
Serial0 is down, line protocol is up
Using the data transfer calculation T=S/BW, how long would it take a 4MB file to be sent
over a 1.5Mbps connection? - Answers - 21.3 seconds
Refer to the graphic. A network administrator has a console connection to Router A.
Pings to Router B are successful, but pings to Routers C and D fail. What is the first
step in troubleshooting the problem? - Answers - Use the show interfaces command
from a Telnet session on router B to check the connection to router C.
Which of the following allows you test to IP connectivity at Layer 7 of the OSI model? -
Answers - ping
When a network administrator applies the subnet mask 255.255.255.248 to a Class A
address, for any given subnet, how many IP addresses are available to be assigned to
devices? - Answers - 6
If a PC does not have network connectivity to a router, which router port can be used to
establish communication? - Answers - console
Which communications tool allows real time collaboration? - Answers - Instant
messaging
In a new network installation, the network administrator has decided to use a medium
that is not affected by electrical noise. Which cable type will best meet this standard? -
Answers - fiber optic
What information can be learned during the initial router bootup? - Answers - the router
model and the amount of memory that is available
What does the "10" in 10Base2 indicate about this version of Ethernet? - Answers - The
version operates at a transmission rate of 10 Mbps.
What can a network administrator do to recover from a lost router password? - Answers
- boot the router to ROM monitor mode and configure the router to ignore NVRAM when
it initializes
Which feature describes a FastEthernet interface on a router? - Answers - must be
configured with a valid IP address and subnet mask in order to forward packets
Which function of the OSI model occurs at layer two? - Answers - physical addressing
What will occur if the command service password-encryption is entered on a router? -
Answers - It will apply a weak encryption to all unencrypted passwords
Which IP packet field will prevent endless loops? - Answers - TTL
A network administrator has enabled RIP on routers A and B in the network diagram.
Which commands will prevent RIP v1 updates from being sent to Router C? - Answers -
c. B(config)# router rip
B(config-router)# passive-interface S0/1
What was the original purpose of the Internet? - Answers - Military and research
, What is one characteristic of the support for Telnet within Cisco IOS software? -
Answers - Up to five separate Telnet lines are supported by default in standard edition
IOS files.
From the running-config, the following configuration entries are displayed:
Router(config)# line vty 0 2
Router(config-line)# password g8k33pr
Router(config-line)# login
What can be interpreted from the exhibited configuration? - Answers - Three Telnet
lines are available for remote access.
Which step describes how to create a functional physical connection between a router
console and a terminal? - Answers - ...
A small company has a class C network license and a subnet mask of 255.255.255.224.
Which of the following can be accommodated with this combination? - Answers - 5
subnets with 20 hosts each
What statement describes a function of a Tier 1 ISP? - Answers - Peers with other
similarly sized ISPs to form the global internet backbone
A network administrator must configure a FastEthernet interface with an IP address.
The configuration must also identify the remote site to which the interface is connected.
Which set of commands will meet these requirements? - Answers - c.
StPetersburg(config)# interface fa0/0
StPetersburg(config-if)# ip address 172.26.155.5 255.255.255.252
StPetersburg(config-if)# description San Jose T1
Neither router in the graphic has a host table or DNS available. The interfaces and
passwords have been correctly configured. Which of the following command will initiate
a Telnet session? - Answers - d. CHI# telnet 192.168.4.1
Which of the following cannot appear in the output of show interface serial? - Answers -
Serial0 is down, line protocol is up
Using the data transfer calculation T=S/BW, how long would it take a 4MB file to be sent
over a 1.5Mbps connection? - Answers - 21.3 seconds
Refer to the graphic. A network administrator has a console connection to Router A.
Pings to Router B are successful, but pings to Routers C and D fail. What is the first
step in troubleshooting the problem? - Answers - Use the show interfaces command
from a Telnet session on router B to check the connection to router C.
Which of the following allows you test to IP connectivity at Layer 7 of the OSI model? -
Answers - ping
