Cisco Systems 2 manual Answer E, F, G

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Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 230-236.

Q. 206

What is the protocol and what is the second part of the following network address?

255.255.255.255

A.IP, a flooded broadcast

B.IP, a directed broadcast

C.IPX, a flooded broadcast

D.IPX, a remote directed broadcast

Answer: A

Explanation: Flooded broadcast (255.255.255.255) are not propagate and are considered local and are sent to every host on the network.

Incorrect Answers:

B is incorrect; the IP identified is not directed broadcast. Direct broadcast use the IP of the network C and D are incorrect; 255.255.255.255 is an IP address, not a IPX address.

Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 231-233.

Q. 207

Which three protocols exactly match their transport layer functions? (Choose three)

A.Route selection-IP

B.Sliding window-UDP

C.Well known ports-IP

D.Route validation-ICMP

E.Connection oriented-TCP/IP

F.Three way handshake TCP/IP

G.No acknowledgement-UDP

Answer: E, F, G

Explanation: The key to answering this question is the difference between connection and connectionless protocols. TCP is a connection orientated protocol that us a three way handshake to establish a connection. UDP is a connectionless protocol that does not guarantee delivery therefore there is no acknowledgements.

Incorrect Answers:

A is incorrect; route selection and IP are network layer, not transport layer functions.

B is incorrect; sliding windows is used in connection oriented, and UDP is connectionless.

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