Ch. 15 Operating Cisco Routers

Question 0

ISR

Answer 0

Integrated service routers

Question 1

____ collectively provide the main feature of the network layer, the capability to forward packets through a network

Answer 1

Routers

Question 2

CSU

Answer 2

Channel service unit

Question 3

DSU

Answer 3

Data service unit

Question 4

Each interface has two _____ status codes

Answer 4

Interface

Question 5

Routers have an extra physical port called an ____ port

Answer 5

Aux (auxiliary)

Question 6

Aux

Answer 6

Auxiliary

Question 7

Which of the following installation steps are typically required on a Cisco router, but not a Cisco switch? (Choose two)
Connect Ethernet cables
Connect serial cables
Connect to the console port
Connect the power cable
Turn the on/off switch to on

Answer 7

Connect the serial cables

Turn the on/off switch to on

Question 8

Which of the following commands might you see associated with the router CLI, but not the switch CLI?
The clock rate command
The IP address "address mask" command
The IP address dchp command
The interface vlan 1 command

Answer 8

The clock rate command

Question 9

You just bought 2 cisco routers for use in a lab, connecting each router to a different LAN switch with their Fa0/0 interfaces. You also connected the two router’s serial interface using a back to back cable. Which o the following step are not required to be able to forward IPv4 packets on both routers? (Choose two)
Configuring an IP address on each router’s fast Ethernet and serial interfaces
Configuring bandwidth command on one router’s serial interface
Configuring the clock rate command on one router’s serial interface
Setting the interface description on both the fast Ethernet and serial interface of each router

Answer 9

Configuring the bandwidth command on one router’s serial interface
Setting the interface description on both the fast Ethernet and serial interface of each router

Question 10

The output of the show IP interface brief command on R1 lists interface status codes of down and down for interface serial 0/0. Which of the following could be true?
The shutdown command is currently configured to that interface
R1s serial interface has been configured to use Frame Relay, but the router on the other end of the serial link has been configured to use PPP
R1s serial interface does not have a serial cable installed
Both routers have been cabled to a working serial link but only one router has been configured with an IP address

Answer 10

R1s serial interface does not have a cable installed

Question 11

Which of the following commands do not list the IP address and mask of at least one interface (choose two answers)
Show running-config
Show protocols "type number"
Shown ip interface brief
Show interfaces
Show version

Answer 11

Show IP interface brief

Show version

Question 12

Which of the the following is different on Cisco Switch CLI as compared with the cisco router CLI?
The commands used to configure simple password checking for the console
The number of IP addresses configured
The configuration of the device’s host name
The configuration of an interface description

Answer 12

The number of IP addresses configured