検証済みのGB0-191-ENU問題集と解答で合格保証もしくは全額返金 [2023年04月]
GB0-191-ENUのPDF問題集で2023年04月13日最近更新された問題
質問 95
The correct statement below is ______. (Multiple choice)
- A. MSTP and RSTP can identify each other's protocol packets and are compatible with each other
- B. In MSTP mode, each port of the device will send out MSTP BPDU packets. When a port is found to be connected to an STP device, the port will automatically migrate to work in STP compatibility mode
- C. In RSTP mode, each port of the device will send out RSTP BPDU packets. When it is found to be connected to an STP device, the port will automatically migrate to work in STP compatibility mode
- D. In STP compatibility mode, each port of the device will send out STP BPDU packets
正解: A,B,C,D
質問 96
The three MSR routers are connected as shown in the figure. All three routers belong to OSPF Area 0, and at the same time, the interconnection network segments of the three routers are advertised in Area 0 through the network command. On RTC, the network segment NET-1 is also published in OSPF Area 0 through the network command. The OSPF Cost between the three routers is shown in the figure.
At present, the neighbor status of the three routers is stable, so ______. (Multiple choice)
- A. For RTB, to reach the destination network segment NET-1 will give priority to RTB--->RTA--->RTC path
- B. There is only one OSPF route to the NET-1 network segment in the RTA routing table
- C. There are two OSPF routes to the destination network segment NET-1 in the RTB routing table
- D. After the network status is stable, within the next 45 minutes, only Hello packets will be transmitted between OSPF neighbors on the network
正解: A,B
質問 97
On the MSR router, use the ______ command to view the current running version of the device.
- A. display current-version
- B. display version
- C. display running
- D. display software
正解: B
質問 98
The default subnet mask for class B addresses is ______.
- A. 255.255.0.0
- B. 255.0.0.0
- C. None of the above is correct
- D. 255.255.255.0
正解: A
質問 99
Which of the following statements about IP addresses are correct is ______. (Multiple choice)
- A. IP address is usually expressed in dotted hexadecimal notation, for example: 10.110.192.111
- B. IP address is composed of 32 binary bits
- C. IP addresses are divided into five categories: A, B, C, D, E
- D. The IP address can be solidified in the hardware and is a unique MAC
正解: B,C
質問 100
The two MSR30 routers of the customer are interconnected through the WAN interface S0/0, and PPP and RIP protocols are running at the same time. For security considerations, PPP PAP authentication and RIP plaintext authentication must be configured separately. Then the similarity between these two verification methods is ______.
- A. Usernames and passwords are spread on the network in clear text
- B. All pass clear text keywords on the Internet
- C. Both use 128bit key length
- D. Both are two handshake verification methods
正解: B
質問 101
The Serial 0/0 and Serial 0/1 interfaces of the router of the Shenzhen branch of XYZ company are connected to two different ISPs through two WAN lines, and through these two ISPs, you can visit the website of the Beijing head office at 202.102.100.2, in Shenzhen. The following static routes are configured on the router of the branch office:
ip route-static 202.102.100.2 24 Serial 0/0 preference 10
ip route-static 202.102.100.2 24 Serial 0/1 preference 100
So which of the descriptions of these two routes is correct? (multiple choice)
- A. The priority of the two routes is different, the router will write the first route with the higher priority into the routing table
- B. The priority of the two routes is different, the router will write the second route with the higher priority into the routing table
- C. The destination address of the two routes is the same, which can be active and standby, and the first route is the master
- D. The Cost value of the two routes is the same
正解: A,C,D
質問 102
The following description of the star network topology is correct ______. (Multiple choice)
- A. In the star topology, the failure of one line does not affect the computer communication under other lines
- B. The star topology has high robustness, and there is no single point of failure. Central node failure
- C. Since the star topology network shares the bus bandwidth, when the network load is too heavy, it will cause performance degradation
- D. Star topology is easy to maintain
正解: A,D
質問 103
After executing the display vlan 2 command on the switch SWA, the switch output is as follows:
<SWA> display vlan 2
VLAN ID: 2
VLAN Type: static
Route interface: not configured
Description: VLAN 0002
Tagged Ports: none
Untagged Ports:
Ethernet1/0/1 Ethernet1/0/3 Ethernet1/0/4
It can be judged from the above output ______. (Multiple choice)
- A. The current VLAN on the switch is only VLAN2 and Vlan1 must exist
- B. VLAN2 contains ports Ethernet1/0/1, Ethernet1/0/3 and Ethernet1/0/4
- C. Data frames with VLAN2 tags need to be stripped off when they leave port Ethernet1/0/3
- D. Port Ethernet1/0/1 is a Trunk port hybrid
正解: B,C
質問 104
Two MSR routers are directly connected back-to-back through Serial1/0, and one of the MSR routers sees the following configuration: ★
interface Serial1/0
ip address 8.8.8.2 255.255.255.0
#
interface GigabitEthernet0/0
port link-mode route
ip address 100.1.1.2 255.255.255.0
#r
ip 1
version 2
network 0.0.0.0
#
ip route-static 0.0.0.0 0.0.0.0 8.8.8.1
Assuming that both routers are correctly configured with RIP and all interfaces are UP, which of the following analyses are correct about this configuration?
- A. RIP routing update packets can only be sent or received from the Serial1/0 interface of the router
- B. A RIP default route will be sent from the outgoing interface Serial1/0 to the peer neighbor
- C. The opposite neighbor router can only receive one RIP route
- D. The neighboring router at the opposite end cannot learn the default route generated by RIP from this router
正解: C,D
質問 105
The two WAN interfaces S1/0 and S1/1 of the router MSR-1 are connected to the routers MSR-2 and MSR-3 respectively. At the same time, the Ethernet port of MSR-1 is connected to MSR-4, and all four routers run RIP protocol. In the routing table of MSR-1, there is a route R from MSR-2 whose suppression time is activated, then ______. (Multiple choice)
- A. The cost value of route R in the routing table of MSR-1 and MSR-2 is set to 16
- B. Before the suppression time ends, if MSR-1 receives the update of route R from MSR-3, and its Cost is less than 16, then MSR-1 will release the suppression of route R and update the routing table
- C. After the suppression time expires, if MSR-1 receives the update of route R from MSR-4, then MSR-1 will update the information of route R in the routing table
- D. Before the suppression time ends, if MSR-1 receives the update of route R from MSR-2, and its Cost is less than 16, then MSR-1 will release the suppression of route R and update the routing table
正解: A,C,D
質問 106
Use the ______ command to specify the operating system software to be used for the next startup.
- A. boot-loader
- B. bootfile
- C. startup
- D. boot startup
正解: A
質問 107
The TCP protocol uses ______ to distinguish different connections.
- A. Port number and IP address
- B. Port number and MAC address
- C. Port number
- D. IP address and MAC address
正解: A
質問 108
After executing the display command on the switch SWA, the switch output is as follows: From the above output, you can judge ______. (Multiple choice)
- A. The above entries are statically configured by the administrator
- B. The above entries are dynamically generated by the switch
- C. The host with MAC address 001c-233d-5695 is connected to port GE0/1
- D. The host with IP address 172.16.0.1 is connected to port GE0/0
正解: B,D
質問 109
The following statement about the functions of each layer of the OSI reference model is correct. ______. (Multiple choice)
- A. The network layer decides the best route for transmitting the message. The key issue is to determine how the data packet is routed from the source to the destination.
- B. The basic function of the transport layer is to establish and maintain virtual circuits, perform error checking and flow control.
- C. The application layer is responsible for providing network services for applications.
- D. The session layer is responsible for data format processing, data encryption, etc.
- E. The physical layer refers to the original bit stream transmitted on the communication channel (Channel), which defines the mechanical and electrical functions and procedures required for data transmission.
正解: A,B,C,E
質問 110
The routing table seen on an MSR router is as follows:
Destination/Mask Proto Pre Cost NextHop Interface
6.6.6.0/24 Static 60 0 100.1.1.1 GE0/0
8.8.8.8/32 Direct 0 0 127.0.0.1 InLoop0
20.1.1.0/24 Static 60 0 100.1.1.1 GE0/0
30.0.0.0/8 RIP 100 1 100.1.1.1 GE0/0
Then the correct analysis of this routing table is ______.
- A. The IP address of GE0/0 on the router is 100.1.1.1
- B. The routing table is not the complete routing table of the router, and the complete routing table should have at least the direct network segment route of interface GE0/0
- C. The router is running RIPv1 because the mask of the destination network segment 30.0.0.0 is a natural mask
- D. The next hop interface of the route whose destination network segment is 8.8.8.8/32 is InLoop0, indicating that the next hop of the route is a virtual interface similar to Null0, and the route is a black hole route
正解: B
質問 111
Which of the following is the correct IPv6 address? (multiple choice)
- A. 2001:410:0:1:0:0:0:0:45FF
- B. 2001:410:0:1:0:0:0:45FF
- C. 2001:410:0:1:45FF
- D. 2001:410:0:1::45FF
正解: B,D
質問 112
......
GB0-191-ENU試験問題有効なGB0-191-ENU問題集PDF：https://www.jpntest.com/shiken/GB0-191-ENU-mondaishu