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NEW QUESTION # 247
To set a subnet mask so that 192.168.0.94 and 192.168.0.116 are in the same network segment, the subnet mask used may be ______.
- A. 255.255.255.224
- B. 255.255.255.192
- C. 255.255.255.248
- D. 255.255.255.240
Answer: B
NEW QUESTION # 248
The two MSR routers are connected through the WAN and have dynamically completed remote routing learning through RIPv2. At this time, the routing table has reached a stable state. Then within 45 seconds from this moment, the two routers must have the following messages transmitted between the WAN ?
- A. RIP Update message
- B. RIP Request message
- C. RIP Response message
- D. RIP Hello time message
Answer: C
NEW QUESTION # 249
The following description of the characteristics of the router is correct ______. (Multiple choice)
- A. It is a network layer device
- B. Provide rich interface types
- C. Can support multiple routing protocols
- D. Route and forward according to link layer information
Answer: A,B,C
NEW QUESTION # 250
Connect an empty-configured MSR router to the network through GigabitEthernet0/0, GigabitEthernet0/1, Serial1/0, and configure the IP addresses of these three interfaces as 10.1.1.1/30, 12.12.12.224/30, 192.168.10.1 /twenty four .
After configuration, these three interfaces can communicate with the interface of the peer device directly connected, and then add the following configuration on the router:
[MSR]rip
[MSR-rip-1]network 10.0.0.0
[MSR-rip-1]network 192.168.10.0
Then the correct description of the role and intent of this order is ______. (Multiple choice)
- A. RIP will also advertise the routing information of the directly connected network segment 192.168.10.0/24 through the router's GigabitEthernet0/0 interface
- B. If the router's Serial1/0 interface does not receive the RIP Hello message within 90 seconds, then the RIP neighbor state will be set to the initialization state
- C. The Serial1/0 and GigabitEthernet0/0 interfaces on the router can send and receive RIP packets
- D. The GigabitEthernet0/1 interface on the router does not send RIP packets
Answer: A,C,D
NEW QUESTION # 251
In the process of establishing a PPP session, when the physical layer is unavailable, the PPP link is in the ______ phase.
- A. Network
- B. Dead
- C. Terminate
- D. Authentication
- E. Establish
Answer: B
NEW QUESTION # 252
The common fields of UDP protocol and TCP protocol header are ______. (Multiple choice)
- A. Serial number
- B. Flow control
- C. Source IP address
- D. checksum
- E. Destination port
- F. Source port
Answer: D,E,F
NEW QUESTION # 253
The number of available host addresses contained in the natural classification network segment corresponding to the IP address 165.110.20.67 is. (Please fill in Arabic numerals)
Answer:
Explanation:
65534
NEW QUESTION # 254
I see the following information on a router MSR-1:
[MSR-1]display arp all
Type: S-Static D-Dynamic
IP Address MAC Address VLAN ID Interface Aging Type
168.0.2 0123-4321-1234 N/A GE0/0 20 D After checking that the host has a large number of viruses, now the customer wants to prohibit the message sent by the host from passing through MSR-1, then _______. (Multiple choice)
- A. You can configure basic ACL on the router and apply it in the outbound direction of GE0/0.
- B. Basic ACL can be configured on the router and applied in the inbound direction of GE0/0.
- C. Advanced ACL can be configured on the router and applied in the inbound direction of GE0/0.
- D. Advanced ACL can be configured on the router and applied in the outbound direction of GE0/0.
Answer: B,C
NEW QUESTION # 255
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 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
- B. 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
- C. The IP address of GE0/0 on the router is 100.1.1.1
- D. The router is running RIPv1 because the mask of the destination network segment 30.0.0.0 is a natural mask
Answer: A
NEW QUESTION # 256
The TFTP protocol is a protocol based on ______.
- A. SSH
- B. IPX
- C. UDP
- D. TCP
Answer: C
NEW QUESTION # 257
When viewing the configuration, if there are many configuration commands and one screen cannot be displayed completely, after displaying one screen, you can press ___ to display the next page.
- A. <Space> key
- B. <Ctrl+p> key
- C. <Enter> key
- D. <Ctrl+c> key
Answer: A
NEW QUESTION # 258
Which of the following statements about MAC addresses are wrong? (multiple choice)
- A. Usually only terminal hosts need MAC addresses, routers and other network devices do not need
- B. Ethernet uses MAC address to identify host
- C. The MAC address is solidified in ROM and cannot be changed under normal circumstances
- D. MAC address is a logical address that is easy to change
Answer: A,D
NEW QUESTION # 259
The characteristics of MSTP are ______. (Multiple choice)
- A. MSTP is compatible with STP and RSTP.
- B. None of the above statements are correct
- C. MSTP divides a switching network into multiple domains, each of which forms multiple spanning trees, and the spanning trees are independent of each other.
- D. MSTP trims the loop network into a loop-free tree network, avoiding the proliferation and infinite loops of messages in the loop network, and at the same time, it can also provide a redundant path for data forwarding, which is implemented in the data forwarding process. Load balancing of VLAN data.
Answer: A,C,D
NEW QUESTION # 260
Compared with the standard subnet division, the biggest difference between the variable length subnet mask division (VLSM) and it is ______.
- A. Use classless addresses for network division
- B. For a naturally classified IP network, a subnet mask of any length can be used for subnet division
- C. Can form a super network
- D. After subnetting a naturally classified IP network, the subnet mask length of each subnet can be different
Answer: D
NEW QUESTION # 261
Which of the following statements about optical fiber are correct? (multiple choice)
- A. Multimode fiber has a thinner core
- B. The cost of multimode fiber is lower than that of single mode fiber
- C. When using multi-mode fiber, the maximum signal transmission distance is longer than single-mode fiber
- D. Multimode fiber can transmit light of different wavelengths and different incident angles
Answer: B,D
NEW QUESTION # 262
The network environment is shown in the figure. Do the following NAT configuration on router RTA:
[RTA]acl number 2000
[RTA-acl-basic-2000]rule 0 permit source 100.0.0.0 0.0.0.255
[RTA]nat address-group 1 200.76.28.11 200.76.28.20
[RTA]interface Ethernet0/1
[RTA-Ethernet0/1]nat outbound 2000 address-group 1 no-pat
After configuration, Client_A and Client_B access Server at the same time, then the content of RTA's NAT table may be ______ at this time.
- A. Protocol GlobalAddr Port InsideAddr Port DestAddr Port-200.76.28.11 --- 100.0.0.2 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00: 04:00-200.76.28.12 --- 100.0.0.1 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59 1 200.76.28.12 1024 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76.28.11 511 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00
- B. Protocol GlobalAddr Port InsideAddr Port DestAddr Port-200.76.28.11 --- 100.0.0.2 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00: 04:00-200.76.28.12 --- 100.0.0.1 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59 1 200.76.28.12 1023 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76.28.11 511 100.0.0.2 511 200.76.29.4 512 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00
- C. Protocol GlobalAddr Port InsideAddr Port DestAddr Port-200.76.28.11 --- 100.0.0.2 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00: 04:00-200.76.28.12 --- 100.0.0.1 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59 1 200.76.28.21 1024 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76.28.11 512 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00
- D. Protocol GlobalAddr Port InsideAddr Port DestAddr Port-200.76.28.11 --- 100.0.0.2 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00: 04:00-200.76.28.12 --- 100.0.0.1 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59 1 200.76.28.12 1024 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76.28.11 512 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00
Answer: D
NEW QUESTION # 263
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