Download HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching).H12-261.Train4Sure.2020-06-04.156q.vcex

Vendor: Huawei
Exam Code: H12-261
Exam Name: HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching)
Date: Jun 04, 2020
File Size: 3 MB
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Demo Questions

Question 1
Router HW1 is seeing a large number of Discard Eligible (DE) frames. In Frame-relay, as part of the Congestion-Control Mechanism, the DE bit works in conjunction with which of the following mechanisms?
  1. Differentiated Services Code Point (DSCP) settings
  2. Frame-relay Traffic Shaping (FRTS) settings
  3. Class-to-Service (CoS) settings
  4. Type-of-service (ToS) settings
  5. Forward Explicit Congestion Notification (FECN) of Backward Explicit Congestion Notification (BECN) settings
Correct answer: E
Question 2
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
Explanation:
Question 3
Which of the following are used in Ethernet networks?
  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 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
  
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 8
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
Explanation:
Question 9
Which of the following statements are NOT true regarding the TCP sliding window protocol? (Choose all that apply.)
  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: ABEF
Question 10
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
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