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質問 1：
In the command line, if the user wants to return to the previous view from the current view, they should use ______.
A. quit command
B. <Ctrl+c> key
C. <Ctrl+z> key
D. return command
正解：A
質問 2：
The two empty-configured MSR routers MSR-1 and MSR-2 are directly connected through their respective GE0/0 interfaces, and the IP addresses on GE0/0 of MSR-1 and MSR-2 are 10.1.1.1/24 and 10.1.1.2. /24, there is IP reachability between two GE0/0 interfaces.
Then added the following OSPF configurations on the two routers:
MSR-1:
[MSR-1-ospf-1] area 0.0.0.255
[MSR-1-ospf-1-area-0.0.0.255] network 10.1.1.0 0.0.0.255
MSR-2:
[MSR-2-ospf-1] area 255
[MSR-2-ospf-1-area-0.0.0.255] network 10.1.1.0 0.255.255.255
Then the correct description of the above configuration is _____. (Multiple choice)
A. The command network 10.1.1.0 0.0.0.255 on MSR-1 means to start OSPF on the GE0/0 interface of the router and join the corresponding area
B. The OSPF interfaces of the two routers belong to the OSPF area 255
C. The command network 10.1.1.0 0.255.255.255 on MSR-2 cannot start OSPF on the GE0/0 interface of the router
D. The OSPF interfaces of the two routers do not belong to the same OSPF area, and the OSPF Area of one of the routers is incorrectly configured
正解：A,B
質問 3：
During the establishment of the TCP connection as shown in the figure, the X part of the SYN should be filled with ________.
A. b+1
B. a
C. b
D. a+1
正解：D
質問 4：
In the following statement about Easy IP, the error is ______.
A. No need to configure NAT address pool when configuring Easy IP
B. When configuring Easy IP, there is no need to configure ACL to match the packets that need to be translated by NAT
C. Easy IP is a special case of NAPT
D. Easy IP is suitable for NAT device dialing or dynamically obtaining public network IP address
正解：B
質問 5：
The customer's network structure is shown in the figure.
To achieve the following requirements:
1. Host C and Host B visit each other
2. Host B and Host A cannot visit each other
3. Host A and Host C cannot visit each other
So ______ . (Multiple choice)
A. Apply advanced ACL on MSR-1 interface S1/0 and GE0/0 respectively to achieve this requirement
B. Only applying ACL on interface GE0/0 of MSR-1 cannot meet this requirement
C. Apply advanced ACLs on the GE0/0 interfaces of the two routers to achieve this requirement
D. Only apply advanced ACL on MSR-1 interface GE0/0 to achieve this requirement
正解：A,C,D
質問 6：
Two empty-configured MSR routers MSR-1 and MSR-2 are interconnected back-to-back through their respective S1/0 interfaces, and their respective GigabitEthernet0/0 interfaces
Connect the client hosts HostA and HostB respectively:
HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB
Then make the following configuration on the two routers:
Configuration on MSR-1:
[MSR-1]interface GigabitEthernet 0/0
[MSR-1-GigabitEthernet0/0]ip add 192.168.1.1 24
[MSR-1]interface Serial 1/0
[MSR-1-Serial1/0]ip address 30.3.3.1 30
[MSR-1]rip
[MSR-1-rip-1]network 0.0.0.0
Configuration on MSR-2:
[MSR-2]interface GigabitEthernet 0/0
[MSR-2-GigabitEthernet0/0] ip address 10.10.10.1 24
[MSR-2]interface Serial 1/0
[MSR-2-Serial1/0]ip address 30.3.3.2 30
[MSR-2]rip
[MSR-2-rip-1]network 10.10.10.0
[MSR-2-rip-1]network 30.3.3.1
According to the above configuration, the WAN interface between the two routers can communicate with each other, other physical links in the network are good, and the two hosts HostA,
HostB can ping the address of their gateway GigabitEthernet0/0, so the following statement is correct _____.
A. There is no RIP route in the routing table of MSR-2
B. The command network 0.0.0.0 on MSR-1 is configured incorrectly, and the specific network segment should be configured
C. The command network 30.3.3.1 on MSR-2 is configured incorrectly, it should be network 30.3.3.2
D. The above three items are all wrong, the two routers can learn RIP routing
正解：D
質問 7：
Use the ______ command on the MSR router to turn off the information center function.
A. info-center disable
B. undo info-center enable
C. disable info-center
D. undo info-center
正解：B
質問 8：
The routers MSR-1 and MSR-2 are interconnected through their respective GigabitEthernet0/0, and RIP is running between the two routers. At present, RIP has correctly completed remote routing learning. Now you can see the following in the routing table of MSR-1 The routing information:
Destination/Mask Proto Pre Cost NextHop Interface
2.0.0.0/24 RIP 100 15 100.1.1.1 GE0/0
6.0.0.0/8 RIP 100 1 100.1.1.1 GE0/0
Then based on this information, ______ can be inferred.
A. The cost of the route whose network segment of the first entry is 2.0.0.0/24 has reached the maximum value and is an invalid route
B. It can be confirmed that RIPv1 is running between the two routers
C. It can be confirmed that RIPv2 is running between the two routers
D. The route whose network segment of the first entry is 2.0.0.0/24 is still a valid route
正解：C,D
質問 9：
If a port running STP in the Ethernet switch receives and forwards data, receives, processes and sends BPDUs, and performs address learning, then the port should be in the ______ state.
A. Blocking
B. Learning
C. Disable
D. Waiting
E. Listening
F. Forwarding
正解：F
In the command line, if the user wants to return to the previous view from the current view, they should use ______.
A. quit command
B. <Ctrl+c> key
C. <Ctrl+z> key
D. return command
正解：A
質問 2：
The two empty-configured MSR routers MSR-1 and MSR-2 are directly connected through their respective GE0/0 interfaces, and the IP addresses on GE0/0 of MSR-1 and MSR-2 are 10.1.1.1/24 and 10.1.1.2. /24, there is IP reachability between two GE0/0 interfaces.
Then added the following OSPF configurations on the two routers:
MSR-1:
[MSR-1-ospf-1] area 0.0.0.255
[MSR-1-ospf-1-area-0.0.0.255] network 10.1.1.0 0.0.0.255
MSR-2:
[MSR-2-ospf-1] area 255
[MSR-2-ospf-1-area-0.0.0.255] network 10.1.1.0 0.255.255.255
Then the correct description of the above configuration is _____. (Multiple choice)
A. The command network 10.1.1.0 0.0.0.255 on MSR-1 means to start OSPF on the GE0/0 interface of the router and join the corresponding area
B. The OSPF interfaces of the two routers belong to the OSPF area 255
C. The command network 10.1.1.0 0.255.255.255 on MSR-2 cannot start OSPF on the GE0/0 interface of the router
D. The OSPF interfaces of the two routers do not belong to the same OSPF area, and the OSPF Area of one of the routers is incorrectly configured
正解：A,B
質問 3：
During the establishment of the TCP connection as shown in the figure, the X part of the SYN should be filled with ________.
A. b+1
B. a
C. b
D. a+1
正解：D
質問 4：
In the following statement about Easy IP, the error is ______.
A. No need to configure NAT address pool when configuring Easy IP
B. When configuring Easy IP, there is no need to configure ACL to match the packets that need to be translated by NAT
C. Easy IP is a special case of NAPT
D. Easy IP is suitable for NAT device dialing or dynamically obtaining public network IP address
正解：B
質問 5：
The customer's network structure is shown in the figure.
To achieve the following requirements:
1. Host C and Host B visit each other
2. Host B and Host A cannot visit each other
3. Host A and Host C cannot visit each other
So ______ . (Multiple choice)
A. Apply advanced ACL on MSR-1 interface S1/0 and GE0/0 respectively to achieve this requirement
B. Only applying ACL on interface GE0/0 of MSR-1 cannot meet this requirement
C. Apply advanced ACLs on the GE0/0 interfaces of the two routers to achieve this requirement
D. Only apply advanced ACL on MSR-1 interface GE0/0 to achieve this requirement
正解：A,C,D
質問 6：
Two empty-configured MSR routers MSR-1 and MSR-2 are interconnected back-to-back through their respective S1/0 interfaces, and their respective GigabitEthernet0/0 interfaces
Connect the client hosts HostA and HostB respectively:
HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB
Then make the following configuration on the two routers:
Configuration on MSR-1:
[MSR-1]interface GigabitEthernet 0/0
[MSR-1-GigabitEthernet0/0]ip add 192.168.1.1 24
[MSR-1]interface Serial 1/0
[MSR-1-Serial1/0]ip address 30.3.3.1 30
[MSR-1]rip
[MSR-1-rip-1]network 0.0.0.0
Configuration on MSR-2:
[MSR-2]interface GigabitEthernet 0/0
[MSR-2-GigabitEthernet0/0] ip address 10.10.10.1 24
[MSR-2]interface Serial 1/0
[MSR-2-Serial1/0]ip address 30.3.3.2 30
[MSR-2]rip
[MSR-2-rip-1]network 10.10.10.0
[MSR-2-rip-1]network 30.3.3.1
According to the above configuration, the WAN interface between the two routers can communicate with each other, other physical links in the network are good, and the two hosts HostA,
HostB can ping the address of their gateway GigabitEthernet0/0, so the following statement is correct _____.
A. There is no RIP route in the routing table of MSR-2
B. The command network 0.0.0.0 on MSR-1 is configured incorrectly, and the specific network segment should be configured
C. The command network 30.3.3.1 on MSR-2 is configured incorrectly, it should be network 30.3.3.2
D. The above three items are all wrong, the two routers can learn RIP routing
正解：D
質問 7：
Use the ______ command on the MSR router to turn off the information center function.
A. info-center disable
B. undo info-center enable
C. disable info-center
D. undo info-center
正解：B
質問 8：
The routers MSR-1 and MSR-2 are interconnected through their respective GigabitEthernet0/0, and RIP is running between the two routers. At present, RIP has correctly completed remote routing learning. Now you can see the following in the routing table of MSR-1 The routing information:
Destination/Mask Proto Pre Cost NextHop Interface
2.0.0.0/24 RIP 100 15 100.1.1.1 GE0/0
6.0.0.0/8 RIP 100 1 100.1.1.1 GE0/0
Then based on this information, ______ can be inferred.
A. The cost of the route whose network segment of the first entry is 2.0.0.0/24 has reached the maximum value and is an invalid route
B. It can be confirmed that RIPv1 is running between the two routers
C. It can be confirmed that RIPv2 is running between the two routers
D. The route whose network segment of the first entry is 2.0.0.0/24 is still a valid route
正解：C,D
質問 9：
If a port running STP in the Ethernet switch receives and forwards data, receives, processes and sends BPDUs, and performs address learning, then the port should be in the ______ state.
A. Blocking
B. Learning
C. Disable
D. Waiting
E. Listening
F. Forwarding
正解：F
丸峰** -
たった24時間の勉強で合格レベルに。だれよりもラクにGB0-191-ENU合格を勝ちとったぜ。