Which of the following statements regarding multicast MAC addresses are true (Select 3 answers)
A. The high-order 24 bits of a multicast MAC address are 0x01005e while the low-order 23 bits of a multicast MAC address are the low-order 23 bits of a multicast IP address.
B. One multicast MAC address can map 32 different IP multicast addresses.
C. Multicast MAC addresses are used in the link layer to identify receivers that are in the same multicast group.
D. One multicast MAC address can map only one IP multicast address.
Route filtering can filter not only routing information but also link-state information.
A. TRUE
B. FALSE
Which of the following statements regarding the MED attribute are true? (Select 3 answers)
A. Based on BGP route selection rules, the MED has precedence over the AS_Path, Preferred- Value, Local-Preference, and Origin attributes.
B. The MED of a BGP route is 100 by default.
C. Generally, BGP compares only the MEDs of routes received from the same AS but if the "comparedifferent-as-med" command is configured, BGP can compare the MEDs of the routes received from multiple ASs.
D. the default MED value 0 on a BGP indicates that the route is not specified. If the bestroute med-noneas-maximum command is configured, the maximum MED value that can be set is 4294967295.
Which of the following route selection tools is used in multiple routing protocols, can be configured with match conditions, and consists of if-match and apply clauses?
A. AS-path-filter
B. IP-prefix
C. Route-policy
D. Community-filter
On a broadcast network or an NBMA network, not all neighbors need to set up adjacencies with each other. Therefore, the concept of establishing adjacency is applicable only to the broadcast network or the NBMA network.
A. TRUE
B. FALSE
What are the differences between the IGMP versions 1, 2 and 3? (Select 2 answers)
A. IGMPv1/v2 cannot elect devices which may send queries but IGMPv3 can.
B. IGMPv2/v3 members can actively leave groups, whereas in IGMPv1members cannot
C. IGMPv1/v2 do not support the SSM service model but IGMFV3 does.
D. IGMPv1/v2 do not support group-specific queries but IGMPv3 does.
BGP is an inter-AS routing protocol. Which statements regarding BGP are true? (Select 3 answers)
A. BGP adopts a reliable transmission layer protocol,
B. BGP supports automatic peer discovery.
C. BGP supports incremental route updates,
D. BGP supports various routing policies.
Which of the following route prefixes match the IP-prefix-filter given below?
"ip ip-prefix test index 10 permit 10.0.0.0 16 greater-equal 24 less-equal 28" (Select 3 answers)
A. 10.0.1.0/23
B. 10.0.1.0/24
C. 10.0.1.0/25
D. 10.0.1.0/28
Which of these is a valid VLSM subnet obtained by subnetting the network address 172.29.100.0/16?
A. 172.29.100.8/28
B. 172.29.100.32/28
C. 172.29.100.60/28
D. 172.29.100.104/28
The process of determining the shortest path can be divided into two phases: determine transit node first, and then determine the stub network.
A. TRUE
B. FALSE
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