640-822: Interconnecting Cisco Networking Devices Part 1

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QUESTION 1
Which OSI layer header contains the address of a destination host that is on another network?

A. application
B. session
C. transport
D. network
E. data link
F. physical

Answer: D

Explanation:

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QUESTION 2
How does TCP differ from UDP? (Choose two.)

A. TCP provides best effort delivery.
B. TCP provides synchronized communication.
C. TCP segments are essentially datagrams.
D. TCP provides sequence numbering of packets.
E. TCP uses broadcast delivery.

Answer: B,D

Explanation:

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QUESTION 3
Which protocol uses a connection-oriented service to deliver files between end systems?

A. TFTP
B. DNS
C. FTP
D. SNMP
E. RIP

Answer: C

Explanation:

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QUESTION 4
Refer to the exhibit.





A network technician is unable to ping from R1 to R2. What will help correct the problem?

A. Ensure that the serial cable is correctly plugged in to the interfaces.
B. Apply the clock rate 56000 configuration command to the serial0/1 interface of R1.
C. Configure the serial0/1 interfaces on R1 and R2 with the no shutdown command.
D. Change the address of the serial0/1 interface of R1 to 192.1.1.4.
E. Change the subnet masks of both interfaces to 255.255.255.240.

Answer: A

Explanation:

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QUESTION 5
Refer to the exhibit.



Which types of devices and connections are needed to complete the LAN for optimal performance
and cost efficiency?
A.
A) router
B) hub
C) switch
D) UTP cable
E) fiber connection
F) fiber connection
B.
A) switch
B) switch
C) switch
D) UTP cable
E) fiber connection
F) T-1 connection
C.
A) router
B) switch
C) router
D) fiber connection
E) Cat5 cable
F) T-1 connection
D.
A) router
B) switch
C) switch
D) UTP cable
E) fiber connection
F) T-1 connection
E.
A) router
B) hub
C) switch
D) fiber cable
E) cat5 cable
F) T-1 connection

Answer: D

Explanation:

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