Share some HCIE-R&S H12-261-ENU exam questions and answers below.
When MPLS network carrying IP packets, TTL will be how to deal with? (Please choose 2 correct answers)
A. MPLS label head TTL is set to 255
B. In the direction of the boundary of LSR, IP packet TTL is copied into the TTL field of MPLS
C. MPLS label header TTL is set to 0
D. In the direction of the boundary of LSR to disable the TTL
E. In the MPLS domain, TTL can not be disabled
Answer: AB
In shared network,Which mechanism is used by PIM-SM to prevent repeat traffic?
A. Register mechanism
B. BSR/RP mechanism
C. Assert mechanism
D. Join/Prune mechanism
Answer: C
You have two routers run BGP connected to different ISP. You want to affect the Internet into your network traffic, but your company is prohibited to use BGP communities.
The best way to achieve the aforementioned requirements?
A. the router's cost adjustment
B. use MED
C. increase the router PreVal
D. reduce the router's Local Preference
E. use AS-path additive
F. use Metrics
Answer: E
Which of the follwing description about BSR/RP mechanism is true? (Multiple choice)
A. PIM-SM domain can have multiple C-BSR, but can only elect a BSR
B. BSR through the received C-RP data packet to collect C-RP information
C. BSR by flooding Bootstrap packets advertised BSR information and C-RP information to all router in PIM-SM domain
D. a C-BSR also can collect C-RP information through received C-RP data packets
Answer: ABC
Recently the company network often attacked by ARP, in order to curb ARP attacks, which of the following technique can we use? (Multiple choice)
A. DAI
B. DHCP snooping
C. uRPF
D. static MAC address binding
E. Port isolation
Answer: ABE
What are the key component of NAC?
A. communication agent
B. NAC equipment
C. access terminal
D. policy server
Answer: ABD
ISIS in the process of establishing P2P networks neighborhood relationship, interactive Hello packets twice to complete neighbor establishing.
A. True
B. False
Answer: A
As shown in figure, ISIS neighbor relationship between R1 and R2 just created, which of the following statement about database synchronization process between R1 and R2 is True?
A. the packets R1 sent to R2 are PSNP packets.
B. the packets R1 sent to R2 are PSNP packets.
C. the packets R1 sent to R2 are LSP packets.
D. the packets R1 sent to R2 are Hello packets.
Answer: B
In RIPng network, hope the router can publish a default route to the entire network, which of the following configuration is True?
A. [Huawei] ripng 1
[Huawei-ripng-1] import-route static cost 2
[Huawei-ripng-1] quit
[Huawei] ipv6 route-static:: 0 NULL0
B. [Huawei] interface GigabitEthernet0/0/1
[Huawei-GigabitEthernet0/0/1] ipv6 enable
[Huawei-GigabitEthernet0/0/1] ipv6 address 2001 £º 12::1/64
[Huawei-GigabitEthernet0/0/1] ripng 1 enable
[Huawei-GigabitEthernet0/0/1] ripng default-route originate
[Huawei-GigabitEthernet0/0/1] quit
C. [Huawei] ripng 1
[Huawei-ripng-1] import-route static cost 2
[Huawei-ripng-1] quit
[Huawei] ipv6 route-static:: 0 2001:19::9
D. [Huawei] ripng 1
[Huawei-ripng-1] ripng default-route originate
[Huawei-ripng-1] quit
Answer: B
Which of the following DNS resource record is legitimate? ( Multiple choice)
A. NS
B. PTR
C. A
D. MX
E. FQDN
Answer: ABCD
Which of the following description about IBGP neighbor EBGP neighbor is true? (Multiple choice)
A. router will sent the BGP updates learning from its IBGP neighbor to their other IBGP neighbor and EBGP neighbor
B. router will sent the BGP updates learning from its EBGP neighbor to their other IBGP neighbor and EBGP neighbor
C. IBGP neighbor must be directly connected. Otherwise, IBGP-Multi-hop must be configured
D. EBGP neighbor must be directly connected. Otherwise, EBGP-Multi-hop must be configured
E. IBGP neighbor can through Loopback Interface to establish neighbor relationship
F. EBGP neighbor must through direct physical interface address to establish neighbor relationship
Answer: BDE
Which of the following description about the link-state protocol is the most reasonable?
A. fast convergence and low CPU utilization
B. CPU utilization is high and prone to loop
C. slow convergence and average CPU utilization is low
D. fast convergence and high CPU utilization
E. None of the above is correct
Answer: D
When troubleshooting in a local area network, you notice that there are a large number of frame alignment False, FCSFalse and Lag of conflict.
what is the possible reason to cause this problem?
A. switch and terminal by 10/100/1000Base-T Ethernet link connected, and the working mode of the switch and terminal is half duplex
B. in most of the environment all have such False
C. working mode on 1000Base-LX/LH link don't match
D. Working mode on 10/100/1000Base-T Ethernet link don't match
Answer: D
RD is used to distinguish same IP address between different VPN.
RD contains how many bit?
A. 16
B. 32
C. 64
D. 128
Answer: C
Which of the following can be used for BGP routing? (Multiple choice)
A. ACL
B. IP-prefix
C. AS-path-filter
D. DSCP
Answer: ABC
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