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QUESTION NO:31 What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?

A. path cost

B. lowest port MAC address

C. VTP revision number

D. highest port priority number

E. port priority number and MAC address Answer: A

QUESTION NO:22

What is the difference between a CSU/DSU and a modem?

A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.

B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.

C. A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.

D. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line. Answer: D

QUESTION NO:6 A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the network administrator is using for this operation?

A. application

B. presentation

C. session

D. transport

E. internet

F. data link Answer: A

QUESTION NO:10

Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two.)

A. The transport layer divides a data stream into segments and may add reliability and flow control information.

B. The data link layer adds physical source and destination addresses and an FCS to the segment.

C. Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.

D. Packets are created when the network layer adds Layer 3 addresses and control information to a segment.

E. The presentation layer translates bits into voltages for transmission across the physical link. Answer: A,D

QUESTION NO:32

In a switched environment, what does the IEEE 802.1Q standard describe?

A. the operation of VTP

B. a method of VLAN trunking

C. an approach to wireless LAN communication

D. the process for root bridge selection

E. VLAN pruning Answer: B

QUESTION NO:8 A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?

A. This is a 10 Mb/s switch port.

B. This is a 100 Mb/s switch port.

C. This is an Ethernet port operating at half duplex.

D. This is an Ethernet port operating at full duplex.

E. This is a port on a network interface card in a PC. Answer: C

QUESTION NO:33 Refer to the exhibit.

Switch-1 needs to send data to a host with a MAC address of 00b0.d056.efa4. What will Switch-1 do with this data?

A. Switch-1 will drop the data because it does not have an entry for that MAC address.

B. Switch-1 will flood the data out all of its ports except the port from which the data originated.

C. Switch-1 will send an ARP request out all its ports except the port from which the data originated.

D. Switch-1 will forward the data to its default gateway. Answer: B

QUESTION NO:27 DRAG DROP

Answer:

QUESTION NO:17 Refer to the exhibit.

Based on the information given, which switch will be elected root bridge and why?

A. Switch A, because it has the lowest MAC address

B. Switch A, because it is the most centrally located switch

C. Switch B, because it has the highest MAC address

D. Switch C, because it is the most centrally located switch

E. Switch C, because it has the lowest priority

F. Switch D, because it has the highest priority Answer: E

QUESTION NO:9 A receiving host computes the checksum on a frame and determines that the frame is damaged. The frame is then discarded. At which OSI layer did this happen?

A. session

B. transport

C. network

D. data link

E. physical Answer: D

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