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"Pass4Sure provides you a comprehensive and most authentic preparation material for your GB0-280 exam. This preparation material is available in two form i.e. PDF questions and answers and Practice test software. The Pass4Sure GB0-280 exam product assist you in improvising your knowledge. With the help of GB0-280 exam practice test you will be able to get outstanding percentage in your GB0-280 exam. The GB0-280 exam practice test improves your self-assessment capability with its self-assessment feature.
Practice test is like a Xerox copy of actual GB0-280 exam because no. of questions, pattern, format and timing is same as actual GB0-280 exam. Due to simulation of GB0-280 exam, you can easily judge the circumstances and other important facts about the GB0-280 exam and can reduce your chances of failure. With the help of GB0-280 exam Practice test you will get 100% guaranteed success.
Our product is our pride and we are very confident of it therefore; we provide you 100% money back guarantee and take responsibility of your success.
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C. In conjunction with anti-replay window and packet authentication, the AH protocol adopts 32 bits<br />
sequence number to prevent and defend replay attacks.<br />
D. Under transmission mode, the AH protocol encrypts the effective data in the IP packet.<br />
E. Under the tunnel mode, the AH protocol encrypts the entire IP packet.<br />
Answer: ABCDE<br />
Question: 15<br />
In what ways that the Integrated Service varies from <strong>Best</strong>-Effort services?<br />
A. First Come, First Served.<br />
B. Guaranteed Service<br />
C. Controlled-Load Service<br />
D. Service similar to ISDN<br />
Answer: BC<br />
Question: 16.<br />
Why average length of the queue is adopted to check the length of the queue in WRED?<br />
A. Because the queue length can not be calculated directly.<br />
B. Average Queue can balance the resource seizure.<br />
C. Comparing the queue length (the absolute length of the queue) with the thresholds before dropping<br />
the packet will lead to unfairness to the burst traffic, which is disadvantageous to traffic<br />
transportation.<br />
D. The average length of the queue is related with the types of the supported services.<br />
Answer: C<br />
Question: 17.<br />
Which are the right one/ones about OSPF among the following descriptions?<br />
A. If some changes take place on the network topology, OSPF immediately dispatches an update<br />
packet, and synchronizes these changes to the Autonomous System.<br />
B. Comparing with RIP, it can save bandwidth.<br />
C. It supports the dispatch of protocol packets with multicast addresses.<br />
D. The measure ranges 0 through 255.<br />
E. It supports equivalent value routes to the same destination address.<br />
F. Its algorithm prevents self-loop routes.<br />
G. It supports Variable Length Subnet Mask (VLSM)<br />
P a g e | 6<br />
P a g e | 6
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