File Info
| Exam | HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching) |
| Number | H12-261 |
| File Name | Huawei.H12-261.ActualTests.2023-12-26.127q.vcex |
| Size | 2 MB |
| Posted | Dec 26, 2023 |
| Download | Huawei.H12-261.ActualTests.2023-12-26.127q.vcex |
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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?
- Differentiated Services Code Point (DSCP) settings
- Frame-relay Traffic Shaping (FRTS) settings
- Class-to-Service (CoS) settings
- Type-of-service (ToS) settings
- Forward Explicit Congestion Notification (FECN) of Backward Explicit Congestion Notification (BECN) settings
Correct answer: E
Question 2
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?
- 802.3AF
- 802.1D
- 802.3
- 802.3X
- 802.1U
Correct answer: D
Question 3
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?
- Triggered updates should be configured on the headquarters router, to directly forward routing updates between the two remote sites
- The headquarters site router has split-horizon enabled on the frame-relay interface
- Neighbor statements are not configured on the two remote sites, pointing to all other sites
- The frame-relay IP to DLCI mappings are incorrectly configured
- RIP cannot propagate routing updates over a partial mesh frame-relay configuration, so another routing protocol should be selected
Correct answer: B
Question 4
Based on the preceding networking and configurations, which of the following statements is true?
- Route flapping occurs
- RTB and RTC cannot establish a neighbor relationship
- RTA and RTB cannot establish a neighbor relationship
- A neighbor relationship can be established; all network segments are reachable
Correct answer: D
Question 5
Which of the following statements are NOT true regarding the TCP sliding window protocol?
(Choose all that apply.)
- The initial window offer is advertised by the sender
- If the retransmission timer expires without the sender receiving an ACK message, the receiver retransmits the packet to the sender.
- The size of the sliding window can only increase or stay the same
- It allows the transmission of multiple frames before waiting for an acknowledgment
- The receiver is required to acknowledge the data packets transmitted by the sender
- The sender need not transmit a full window’s worth of data
Correct answer: ABEF
Question 6
The LS Sequence Number field is used to detect expired and duplicate LSAs. This field is a signed 32-bit integer and therefore the minimum LS Sequence Number is 0x800000000.
- FALSE
- TRUE
Correct answer: A
Question 7
Which types of prefixes will a router running BGP most likely advertise to an IBGP peer, assuming it is not configured as a route reflector?
- Prefixes received from EBGP peers and prefixes received from route reflectors
- All prefixes in its routing table
- Prefixes received from EBGP peers and prefixes locally originated via network statements or imported
- Prefixes received from other IBGP peers, prefixes received from EBGP peers, and prefixes imported to BGP
- Prefixes received from other IBGP peers and prefixes received from router reflectors
- Prefixes received from any other BGP peer and prefixes locally originated via network statements or imported
Correct answer: C
Question 8
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?
- The packet sent from R1 and R2 is a PSNP packet
- The packet sent from R1 and R2 is a Hello packet
- The packet sent from R1 and R2 is a CSNP packet
- The packet sent from R1 and R2 is a LSP packet
Correct answer: A
Question 9
Which of the following are key differences between RIP version 1 and RIP version 2?
- RIP version 2 uses multicasts while RIP version 1 does not
- RIP version 1 supports authentication while RIP version 2 does not
- RIP version 1 does not support VLSM while RIP version 2 does
- RIP version 1 is distance vector while RIP version 2 is not
- RIP version 1 uses hop counts as the metric while RIP version 2 uses bandwidth information
Correct answer: AC
Question 10
Which of following statements is true about IS-IS LDP synchronization?
- LDP establishes a neighbor relationship faster than IS-IS, so LDP synchronization is disabled by default
- LDP synchronization can prevent traffic loss during an active/standby link switchover
- LDP synchronization can be enabled globally
- LDP synchronization can be configured on Loopback interfaces
Correct answer: C
