Question 31
Which of the following route entries matches ACL 2001 that is defined below?1.0.0.0/8,1.2.0.0/16,1.2.3.0/24,1.2.4.0/24,1.2.5.0/24, 1.2.6.0/24,1.2.7.0/24,1.2.8.0/24ACL 2001 -Basic ACL 2001,1 rule -Ad's step is 5 -rule 0 permit source 1.2.0.0 0.0.254.255
A. 1.2.3.0/24,1.2.4.0/24, 1.2.5.0/24, 1.2.6.0/24,1.2.7.0/24,1.2.8.0/24
B. 1.0.0.0/8 ,1.2.0.0/16,1.2.3.0/24,1.2.4.0/24,1.2.5.0/24, 1.2.6.0/24,1.2.7.0/24,1.2.8.0/24
C. 1.2.3.0/24,1.2.5.0/24,1.2.7.0/24
D. 1.2.0.0/16,1.2.4.0/24,1.2.6.0/24,1.2.8.0/24
Question 32
A router can be configured to run only one BGP routing process.
A. TRUE
B. FALSE
Question 33
Generally, the performance of an IP-prefix-filter is greater than that of an ACL.
A. TRUE
B. FALSE
Question 34
Given a Class B network 155.16.0.0 with the mask 255.255.255.192, what is the maximum number of subnets that can be created, and what is the maximum number of hosts available within each created subnet?
A. 512 126
B. 1024 64
C. 1024 62
D. 256 254
E. 192 254
Question 35
Route importing can be used when multiple routing protocols run on different networks and these networks need to share routing information.
A. TRUE
B. FALSE
Question 36
Which of the following elements are used to describe a single link in OSPF routing protocol? (Select 3 answers)
A. Link ID
B. Data
C. Network Mask
D. Metric
Question 37
Which of the following is used to avoid routing loops in BGP?
A. Use ORIGIN attribute to record the origin of the route.
B. Use AS_PATH attribute to record all AS areas that a route passes.
C. Use NEXTJHOP attribute to record next hop path
D. Use MED attribute to influence export selection of other Ass
Question 38
An Autonomous System (AS) is a set of routers under the control of one technical administration that presents a common routing policy.
A. TRUE
B. FALSE
Question 39
Based on BGP route selection rules, the route with the lowest local preference is preferred.
A. TRUE
B. FALSE
Question 40
Which of the following subnet masks can be used to divide a Class C network into 5 subnets, with each subnet containing a maximum of 20 hosts?
A. 255.255.255.192
B. 255.255.255.240
C. 255.255.255.224
D. 255.255.255.248
