Computer homework

NT2640: Unit 9 – Assignment

1. What protocol runs on Cisco switches to prevent switching loops in the network?

A) BGP

B) HDLC

C) Frame-Relay

D) Spanning Tree Protocol

2. Switches make forwarding and filtering decisions.

A) True

B) False

3. Switches are considered to be ______________ devices in the OSI model.

A) Layer 1

B) Layer 2

C) Layer 3

D) Layer 4

4. Which is the fastest switch frame processing setting, but does not allow for a check of the FCS

field?

A) Store-and-forward

B) Cut-through

C) Fragment-Fee

D) Low latency

5. What do switches send to communicate Spanning Tree Protocol information?

A) Hellos

B) Routing solicitations

C) BPDU’s

D) LSA’s

6. This type of port setting is used for end devices such as PCs, printers, and IP phones:

A) Access

B) Trunk

C) LMI

D) Frame-relay

NT2640: Unit 9 – Assignment

7. If no VLAN is specified on an access port, what VLAN tag will frames on that port receive?

A) VLAN 1001

B) Default VLAN (VLAN 1)

C) The frames will be dropped

D) None of the above

8. The command “switchport port-security mac-address sticky” does what?

A) Dynamically learns the first MAC that connects to it, and then only allows that MAC

B) Adds the term “sticky” to the end of the MAC address

C) Prevents the first MAC that connects to it from communicating

D) None of the above

9. A switch set to VTP mode transparent will listen to VTP updates from the VTP server, and update

its VLAN database.

A) True

B) False

10. When is it necessary to configure an interface as a trunk link?

A) When connecting to a PC

B) When connecting to a server with a single IP address

C) When connecting two switches that have multiple VLANs configured on each switch

D) Both B and C

11. Refer to figure 1. PC-1 was just powered on, what action will the switch take when it receives

the very first frame from PC-1?

A) Discard the frame

B) Enter the MAC address of PC 1 into its MAC table as connected to interface f0/2

C) Enter the MAC address of PC 1 into its MAC table as connected to interface f0/6

D) Enter the MAC address of PC 2 into its MAC table as connected to interface f0/2

Figure 1

NT2640: Unit 9 – Assignment

12. In figure 2, PC 2 is sending a frame to another PC. The switch doesn’t have the destination MAC

address in its MAC table. What will the switch do?

A) Flood the frame out of all connected interfaces, except the one it received the frame on

B) Flood the frame out of all connected interfaces, including the one it received the frame on

C) Send the frame to the router only

D) The switch will reboot itself out of frustration

Figure 2

13. Based on the info in the MAC table in figure 3, what will the switch do with the frame that PC 4

is sending to PC 1?

A) Flood the frame out of all connected interfaces

B) Send the frame out of its F0/2 interface only

C) Send the frame to the router to be routed to PC 1

D) Flood the frame out of interfaces F0/2 and F0/3

Figure 3

NT2640: Unit 9 – Assignment

14. What command would be used to set a switchport to VLAN 4?

A) switchport mode assign access vlan 4

B) switchport vlan 4

C) switchport access vlan 4

D) switchport dynamic vlan 4

15. Each switchport on a switch is a single _____________ domain.

A) Broadcast

B) Client

C) Multicast

D) Collision

16. In VTP, the switch with the higher VLAN database revision number will update a switch with a

lower revision number.

A) True

B) False

17. The 802.1Q trunking protocol tags frames with a header. The header identifies the VLAN that

the frame belongs to. This process is known as VLAN tagging.

A) True

B) False

18. VTP allows switches to exchange _____________ configuration information.

A) VLAN

B) Routing

C) Port security

D) None of the above

19. What must match on two switches in order for them to exchange VTP info:

A) Bridge ID

B) VTP domain name

C) Model number

D) IOS version

20. VTP information is only sent over trunk links:

A) True

B) False