Download HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching).H12-261.PassCertification.2019-10-07.99q.vcex

Vendor: Huawei
Exam Code: H12-261
Exam Name: HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching)
Date: Oct 07, 2019
File Size: 3 MB
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Demo Questions

Question 1
Which parameter will not be received from the root bridge by a non-root bridge running 802.1D STP?
  1. Forward delay
  2. Hello time
  3. Root cost
  4. Hold time
  5. Max Age
Correct answer: D
Question 2
Which of the following are used in Ethernet networks? (Multiple Choice)
  1. 802.5 encapsulated frames
  2. 802.3 encapsulated frames
  3. CSMA/CD for media access
  4. Non Canonical format MAC addresses
  5. Canonical format MAC addresses
Correct answer: BCE
Question 3
Which of the following statements is true about the port mirroring on Huawei devices?
  1. Huawei devices support port mirroring on the control traffic sent to the CPU
  2. Huawei devices support flow-based port mirroring. The mirrored traffic can be copied onto multiple observing ports
  3. Traffic in the RSPAN is transmitted to observing ports in multicast mode
  4. When the observing port becomes congested, mirrored packets cannot be discarded because these packets have higher priority than service traffic
Correct answer: A
Question 4
If a Gigabit Ethernet port receive buffer becomes full on a LAN switch, what protocol can be used to request that the remote port delay sending frames for a specified time?
  1. 802.3AF
  2. 802.1D
  3. 802.3
  4. 802.3X
  5. 802.1U
Correct answer: D
Question 5
When receives or transmits data frames on an access port, what will the switch do?
  1. Switch will send tagged frames belong to a specified vlan
  2. When received a tagged frame from an access port. Switch may forward it vlan
  3. Switch will learn the MAC-address only on access port
  4. Switch only receives untagged frames from access port and drop all tagged frames
Correct answer: A
Question 6
Spanning Tree Protocol calculates path cost based on which of the following?
  1. Interface bandwidth
  2. Interface delay
  3. Hop count
  4. Interface bandwidth and delay
  5. Bridge priority
Correct answer: A
Question 7
HW has a Frame Relay network with two sites (a headquarters site and a remote site) connected by a single PVC. RIP version 2 is running in the network. A new remote site is added and HW has ordered a second PVC between this site and the headquarters site. All Frame Relay interface IP addresses are in a single subnet. The customer configured Frame Relay DLCI mappings and can successfully ping from the new remote to the headquarters site as well as to the other remote site. However, the new router does not have a route in its route table to the other remote site’s LAN, and cannot ping the LAN interface or any hosts on that LAN. What is most likely causing the problem?
  1. Triggered updates should be configured on the headquarters router, to directly forward routing updates between the two remote sites
  2. The headquarters site router has split-horizon enabled on the frame-relay interface
  3. Neighbor statements are not configured on the two remote sites, pointing to all other sites
  4. The frame-relay IP to DLCI mappings are incorrectly configured
  5. RIP cannot propagate routing updates over a partial mesh frame-relay configuration, so another routing protocol should be selected
Correct answer: B
Question 8
  
Based on the preceding networking and configurations, which of the following statements is true? 
  
  1. Route flapping occurs
  2. RTB and RTC cannot establish a neighbor relationship
  3. RTA and RTB cannot establish a neighbor relationship
  4. A neighbor relationship can be established; all network segments are reachable
Correct answer: D
Question 9
When a router is building a routing table from different routing protocols, which of the following will determine the routes to be installed in the routing table?
  1. The fastest routing process
  2. uniqueness
  3. Higher preference value
  4. The route with the largest next-hop address
  5. Low Router ID
Correct answer: C
Question 10
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
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