Download HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching).H12-261.TestInside.2019-10-05.79q.vcex

Vendor: Huawei
Exam Code: H12-261
Exam Name: HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching)
Date: Oct 05, 2019
File Size: 481 KB
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Demo Questions

Question 1
Which of the following statements are NOT true regarding the TCP sliding window protocol? (Multiple Choice) 
  1. The initial window offer is advertised by the sender
  2. If the retransmission timer expires without the sender receiving an ACK message, the receiver retransmits the packet to the sender.
  3. The size of the sliding window can only increase or stay the same
  4. It allows the transmission of multiple frames before waiting for an acknowledgment
  5. The receiver is required to acknowledge the data packets transmitted by the sender
  6. The sender need not transmit a full window’s worth of data
Correct answer: AC
Question 2
Routers R1 and R2 are configured for BGP. Both routers are in AS 65234. Routes from Router R2 are in the BGP table on Router R1, but not in the IP routing table. 
What could be the cause of this problem?
  1. Synchronization is off
  2. BGP multi-hop is disabled on Router R1
  3. The next-hop of these routes can not reach by router R1
  4. The BGP peers are down
Correct answer: C
Explanation:
Question 3
What is the destination IP address of routing update packets sent by RIPv2?
  1. 255.255.255.255
  2. 224.0.0.1
  3. 224.0.0.5
  4. 224.0.0.9
  5. 224.0.0.10
Correct answer: D
Question 4
As shown in the following figure, the neighbor relationship between R1 and R2 has just been established. Which of the following statements is true about the database synchronization process between R1 and R2? 
  
  1. The packet sent from R1 and R2 is a PSNP packet
  2. The packet sent from R1 and R2 is a Hello packet
  3. The packet sent from R1 and R2 is a CSNP packet
  4. The packet sent from R1 and R2 is a LSP packet
Correct answer: A
Question 5
Which of the following are key differences between RIP version 1 and RIP version 2? (Multiple Choice)
  1. RIP version 2 uses multicasts while RIP version 1 does not
  2. RIP version 1 supports authentication while RIP version 2 does not
  3. RIP version 1 does not support VLSM while RIP version 2 does 
  4. RIP version 1 is distance vector while RIP version 2 is not
  5. RIP version 1 uses hop counts as the metric while RIP version 2 uses bandwidth information
Correct answer: AC
Question 6
Which of following statements is true about IS-IS LDP synchronization?
  1. LDP establishes a neighbor relationship faster than IS-IS, so LDP synchronization is disabled by default
  2. LDP synchronization can prevent traffic loss during an active/standby link switchover
  3. LDP synchronization can be enabled globally
  4. LDP synchronization can be configured on Loopback interfaces
Correct answer: C
Question 7
When a router within the HW network makes a forwarding decision, the _____is always used to select the best route from those installed in the routing table.
  1. Routing process ID
  2. Longest prefix match
  3. Administrative Distance
  4. Router ID
  5. Peer ID
Correct answer: B
Explanation:
Question 8
Which of the following are found in a basic Network Layer Packet? (Multiple Choice.)
  1. Network Layer Header
  2. Path records
  3. Data Link Layer Header
  4. Upper Layer Data
  5. Network Layer Trailer
Correct answer: ADE
Question 9
OSPF is running on a network. In OSPF, what LSA type would only cause an Incremental SPF calculation? (Multiple Choice)
  1. Type 3
  2. Type 4
  3. Type 1
  4. Type 2
  5. Type 5
Correct answer: ABE
Question 10
With regard to TCP headers, which control bit tells the receiver to reset the TCP connection?
  1. SND
  2. CLR 
  3. PSH
  4. SYN
  5. RST
  6. ACK
Correct answer: E
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