Networking Basics MCQs

Question 1

Which protocol does DHCP use at the Transport layer?

Accepted Answer

UDP

Answer

IP

Answer

TCP

Answer

ARP

Question 2

Which command is used to determine if an IP access list is enabled on a particular interface?

Accepted Answer

show ip interface

Answer

show access-lists

Answer

show interface

Answer

show interface access-lists

Question 3

Where is a hub specified in the OSI model?

Accepted Answer

Physical layer

Answer

Session layer

Answer

Data Link layer

Answer

Application layer

Question 4

What does the passive command provide to dynamic routing protocols?

Accepted Answer

Stops an interface from sending periodic dynamic updates but not from receiving updates.

Answer

Stops an interface from sending or receiving periodic dynamic updates.

Answer

Stops the router from receiving any dynamic updates.

Answer

Stops the router from sending any dynamic updates.

Question 5

Which protocol is used to send a destination network unknown message back to originating hosts?

Accepted Answer

ICMP

Answer

TCP

Answer

ARP

Answer

BootP

Question 6

How often are BPDUs sent from a layer 2 device?

Accepted Answer

Every 2 seconds

Answer

Never

Answer

Every 10 minutes

Answer

Every 30 seconds

Question 7

How many broadcast domains are created when you segment a network with a 12-port switch?

Accepted Answer

1

Answer

2

Answer

5

Answer

12

Question 8

What does the command routerA(config)#line cons 0 allow you to perform next?

Accepted Answer

Set your console password.

Answer

Set the Telnet password.

Answer

Shut down the router

Answer

Disable console connections.

Question 9

Which router command allows you to view the entire contents of all access lists?

Accepted Answer

show access-lists

Answer

show all access-lists

Answer

show ip interface

Answer

show interface