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How does the RIB differ from the FIB?
Answer: D
C is correct FIB has info about next hop and interface identifier so it has the routes for particular network destination
Source: Adapted from community discussion — AliMo123
Refer to the exhibit.
Which two commands ensure that DSW1 becomes root bridge for VLAN 10? (Choose two.)
Answer: AC
The answers should be DSW1(config)#spanning-tree vlan 10 priority 4096 < -- This is listed DSW1(config)#spanning-tree vlan 10 priority root < -- this is not valid DSW1(config)#spanning-tree vlan 10 root primary < -- This is not listed, but should be the correct command
Source: Adapted from community discussion — J2DFW
What mechanism does PIM use to forward multicast traffic?
Answer: A
It seems C is trick question because Receivers use join messages or membership reports, while Register messages are for Sources...
Source: Adapted from community discussion — ABC123
Refer to the exhibit.
The traceroute fails from R1 to R3. What is the cause of the failure?
Answer: D
D is correct, but for this reason. Note the !A in the output. This means that the response was administratively prohibited by an ACL. This limits the answer to either A or D. Given we see the !A at fa0/1 of R3, the D is the answer.
Source: Adapted from community discussion — RhJ72
Refer to the exhibit.
An engineer must establish eBGP peering between router R3 and router R4. Both routers should use their loopback interfaces as the BGP router ID. Which configuration set accomplishes this task?
Answer: D
Correct answer is D, because the question is asking for use the loopback as the router-id, not forming the adjacency with it. If you need to use the loopback address as the neighbor ip address in BGP you need to add multihop command.
Source: Adapted from community discussion — MarioSo3
An engineer is configuring GigabitEthernet1/0/0 for VRRP. When the router has the highest priority in group 5, it must assume the master role. Which command set should the engineer add to the configuration to accomplish this task? interface GigabitEthernet1/0/0 description To IDF A 38-70-774-10 ip address 172.16.13.2 255.255.255.0
Answer: C
Actually D is also wrong because it has a subnet mask in the syntax. C doesn't do anything because priority 100 is the default. There is no right answer. Maybe C is the best wrong answer, because it has no syntax errors and D does. But C does not ensure that the router will become master when it has high priority. Also, it does not ensure high priority, since 100 is just the default and may be also on the other routers.
Source: Adapted from community discussion — timtgh
Which two security features are available when implementing NTP? (Choose two.)
Answer: AE
Ref: Network Time Protocol: Best Practices White Paper – Cisco “… NTP Overview … The time kept on a machine is a critical resource and it is strongly recommend that you use the security features of NTP to avoid the accidental or malicious setting of incorrect time. The two security features available are an access list-based restriction scheme and an encrypted authentication mechanism. …” A. encrypted authentication mechanism Correct answer. B. symmetric server passwords Wrong answer. C. clock offset authentication Wrong answer. D. broadcast association mode Wrong answer. E. access list-based restriction scheme Correct answer.
Source: Adapted from community discussion — [Removed]
How does the EIGRP metric differ from the OSPF metric?
Answer: C
Ref: EIGRP Metrics used with Redistribution Post by dmcneil330 “OSPF uses a cost value as a metric. This cost is derived from the interface bandwidth by default. EIGRP uses a composite metric comprised of bandwidth, delay, reliability, and load. …” A. The EIGRP metric is calculated based on bandwidth only. The OSPF metric is calculated on delay only. Wrong answer. B. The EIGRP metric is calculated based on delay only. The OSPF metric is calculated on bandwidth and delay. Wrong answer. C. The EIGRP metric is calculated based on bandwidth and delay. The OSPF metric is calculated on bandwidth only. Correct answer. D. The EIGRP metric is calculated based on hop count and bandwidth. The OSPF metric is calculated on bandwidth and delay. Wrong answer.
Source: Adapted from community discussion — [Removed]
Refer to the exhibit.
An engineer is installing a new pair of routers in a redundant configuration. Which protocol ensures that traffic is not disrupted in the event of a hardware failure?
Answer: A
The way the question is phrased I would think GLBP is the right answer. This question feels like it was written by an ASL individual as it isn't clear if they're asking what the current configuration IS or what the configuration SHOULD be based on the given requirement.
Source: Adapted from community discussion — someguy8921
Refer to the exhibit. After an engineer configures an EtherChannel between switch SW1 and switch SW2, this error message is logged on switch SW2: SW2# 09:45:32: %PM-4-ERR_DISABLE: channel-misconfig error detected on Gi0/0, putting Gi0/0 in err-disable state 09:45:32: %PM-4-ERR_DISABLE: channel-misconfig error detected on Gi0/1, putting Gi0/1 in err-disable state Based on the output from switch SW1 and the log message received on switch SW2, what action should the engineer take to resolve this issue?
Answer: B
B because even if it's a wrong protocol, you will get to see the ports that are configured with the command SHOW..... like this SW1#show etherchannel summary | begin Group Group Port-channel Protocol Ports ------+-------------+-----------+----------------------------------------------- 1 Po1(SD) LACP Fa0/13(I) Fa0/14(I) SW2#show etherchannel summary | begin Group Group Port-channel Protocol Ports ------+-------------+-----------+----------------------------------------------- 1 Po1(SD) PAgP Fa0/13(I) Fa0/14(I)
Source: Adapted from community discussion — HK010
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