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A is incorrect; UDP is neither reliable nor acknowledged.
B is incorrect; UDP is not acknowledged.
C is incorrect; UDP is not reliable.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) page 207.
Q. 139
What are the two sublayers of the data link layer? (Choose two)
A.MAC
B.LLC
C.SAP
D.LCP
E.NetWare Core Protocol (NCP)
Answer: A, B
Explanation: The data link layer has two sublayers. These sublayers are: MAC and LLC.
Incorrect Answers:
C is incorrect; the Service Access Point is used by Netware to advertise servers, and runs at a higher layer. D is incorrect; this protocol is used in PPP, but is not part of the data link layer itself.
E is incorrect; NCP is used by Netware, and runs at a higher layer.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000)
Q. 140
Which two types of route table entries does a Layer3 router to determine the appropriate path to a destination use? (Choose two)
A.Static route entry
B.Default route entry
C.Dynamic route entry
D.Temporary route entry
E.Permanent route entry
Answer: A, C
Explanation: When a router must send packets that are not directly connected it must have either a static route or a dynamic router entry.
Incorrect Answers:
B is incorrect; A default gateway does not always determine the appropriate path.
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