Question 41
BFD control packets are encapsulated in UDP packets for transmission. Which of the following is the destination port number for single-hop BFD control packets?
A. 3784
B. 4784
C. 5784
D. 6784
Question 42
Based on classification rules, traffic classification can be divided into which of the following types? (Choose two.)
A. Simple traffic classification
B. Complex traffic classification
C. On-demand traffic classification
D. Service traffic classification
Question 43
A company has four departments. Department A has 80 PCs, Departments B and C both have 20 PCs, and Department D has 30 PCs. Assuming the IP address192.168.1.0/x is used, which of the following statements are true if the VLSM technology is used to divide subnets? (Choose two.)
A. Plan subnet 192.168.1.0/25 for Department A. The range of host addresses is 1 to 126.
B. Plan subnet 192.168.1.128/27 for Department B. The range of host addresses is 129 to 159.
C. Plan subnet 192.168.1.160/27 for Department C. The range of host addresses is 161 to 190.
D. Plan subnet 192.168.1.192/27 for Department D. The range of host addresses is 192 to 222.
Question 44
Which statement about OSPF is false?
A. The router with a higher Router Priority also has a higher DR election priority.
B. When two routers have the same Router Priorities, the router with a larger Router ID has a higher DR election priority.
C. If a DR fails, the BDR automatically takes over as the DR and a new BDR is elected.
D. If a BDR fails, the DR will not take over as the BDR and awaits the fault recovery of the BDR. No new BDR will be elected.
Question 45
The network 154.27.0.0 without any subnet can support() hosts?
A. 254
B. 1024
C. 65,534
D. 16,777,206
Question 46
Which of the following statements about a neighbor state machine is true?
A. The Attempt state appears only on an NBMA network or a broadcast network.
B. The Attempt state appears only on an NBMA network or a P2MP network.
C. LSR packets can be sent in the Exchange state.
D. The Full state indicates that LSDB synchronization is complete. No LSDB information will be exchanged.
Question 47
Which of the following IP addresses are network addresses? (Choose two.)
A. 64.104.3.7/28
B. 192.168.12.64/26
C. 192.135.12.191/26
D. 198.18.12.16/28
Question 48
Assume that the VRID of a VRRP virtual router is 100 and the virtual IP address of the virtual router is 192.168.1.1, which of the following addresses is the virtualMAC address of the virtual router?
A. 00-00-5E-00-01-64
B. 00-00-5E-00-01-01
C. 01-00-5E-00-01-64
D. 01-00-5E-00-01-01
Question 49
What are the OSPF message types? (Choose four.)
A. Hello
B. Database Description
C. Link State Request
D. Link State Update
E. Link State Advertisement
Question 50
Which of the following statements are correct regarding Network LSA in OSPF network? (Choose two.)
A. Network LSA is generated by ABR.
B. Only the router which connects NBMA or Broadcast Network may generate Network LSA.
C. DR uses Network LSA to describe routers that have established adjacency relation with it in the network.
D. Network LSA is flooded in the whole AS.
