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NEW QUESTION 130
The TCP protocol uses ______ to distinguish different connections.
- A. Port number
- B. Port number and MAC address
- C. IP address and MAC address
- D. Port number and IP address
Answer: D
NEW QUESTION 131
The customer's two MSR routers MSR-1 and MSR-2 are interconnected back-to-back through their respective S0/0 interfaces. The frame relay protocol started and encapsulated between the S0/0 interfaces of two MSR routers, where MSR-1 is the frame relay DCE side, and MSR-2 is the frame relay DTE side.
In order to save resources, frame relay sub-interfaces are configured on both routers, which are configured as follows:
MSR-1:
interface Serial0/0.40 p2p
fr dlci 222
ip address 30.2.2.2 255.255.255.252
MSR-2:
interface Serial0/0.100 p2p
fr dlci 222
ip address 30.2.2.1 255.255.255.252
Based on this configuration, you can guess ______. (Multiple choice)
- A. You can ping through MSR-1 30.2.2.1
- B. Can't ping through MSR-1 30.2.2.1
- C. The frame relay sub-interfaces of the two routers cannot communicate with each other because fr map is not configured
- D. The frame relay sub-interfaces of the two routers cannot communicate with each other because their sub-interface numbers are inconsistent
Answer: A
NEW QUESTION 132
PPP has to go through a series of negotiation processes before establishing a link. The correct negotiation sequence is ______.
- A. NCP>LCP>PAP/CHAP
- B. LCP> NCP>PAP/CHAP
- C. LCP>PAP/Chap>NCP
- D. PAP/CHAP>LCP>NCP
Answer: C
NEW QUESTION 133
If a port running STP in the Ethernet switch does not receive or forward data, receive, process and send BPDUs, and perform address learning, the port should be in the ______ state.
- A. Waiting
- B. Disable
- C. Listening
- D. Blocking
- E. Learning
- F. Forwarding
Answer: E
NEW QUESTION 134
The customer's network connection looks like:
HostA----GE0/0--MSR-1--S1/0-----WAN-----S1/0--MSR-2--GE0/0----HostB
Both routers are factory default configuration.
The four interfaces of the router are configured with correct IP addresses. The two hosts HostA and HostB are configured with IP addresses and gateways. Assuming that all physical connections are normal, then ______. (Multiple choice)
- A. At least 2 static routes need to be configured on each router to realize the intercommunication between HostA and HostB
- B. At least one static route needs to be configured on each router to realize the intercommunication between HostA and HostB
- C. No route is configured on the router, HostA can ping the IP address of interface S1/0 of MSR-1
- D. No route is configured on the router, HostA can ping the IP address of interface S1/0 of MSR-2
Answer: B,C
NEW QUESTION 135
The correct way to represent the following domain names is ______. (Multiple choice)
- A. KK114.com.cn
- B. www.China_Finance.com
- C. www.95588.com
- D. 111.222.333.cn
Answer: C,D
NEW QUESTION 136
The FQDN of the following domain names is ______.
- A. www.abc.com.
- B. www.abc.com.cn
- C. www.abc.com
- D. .www.abc.com
Answer: A
NEW QUESTION 137
It is required to set a subnet mask to divide the Class B network 172.16.0.0 into as many subnets as possible. Each subnet requires 15 hosts, so the subnet mask should be _____. (Dotted decimal format) slightly
Answer:
Explanation:
255.255.255.224
NEW QUESTION 138
I see the following information on an MSR router running RIP:
<MSR>display rip
Public VPN-instance name:
RIP process: 1
RIP version: 2
Preference: 100
Checkzero: Enabled
Default-cost: 0
Summary: Enabled
Hostroutes: Enabled
Maximum number of balanced paths: 8
Then from the displayed information, ______ can be analyzed.
- A. The router is running RIPv2
- B. The automatic aggregation function of RIP is enabled
- C. Support 8 routes to achieve load sharing
- D. The cost of the RIP route sent or received by this router is 0
Answer: A,B,C
NEW QUESTION 139
PPP has to go through a series of negotiation process before establishing the link, the correct negotiation sequence is ___. (Fill in the code of each step one by one, there can be no spaces in between, such as: ABC)
- A. NCP
- B. PAP/CHAP
- C. LCP
Answer: A,B,C
NEW QUESTION 140
The network environment is shown in the figure, ______ is the correct NAPT configuration. (Multiple choice)
- A. acl number 2000 rule 0 permit source 192.168.0.2 0.0.0.255 interface Ethernet 0/1 nat outbound 2000
- B. acl number 2000 rule 0 permit source 192.168.0.2 0.0.0.255 nat address-group 1 1.1.1.1 interface Ethernet 0/1 nat outbound 2000 address-group 1 no-pat
- C. acl number 2000 rule 0 permit source 192.168.0.2 0.0.0.255 nat address-group 1 1.1.1.1 interface Ethernet 0/1 nat outbound 2000 address-group 1
- D. acl number 2000 rule 0 permit source 192.168.0.2 0.0.0.255 interface Ethernet 0/1 nat outbound 2000 address-group 1 no-pat
Answer: A,C
NEW QUESTION 141
Two empty-configured MSR routers are interconnected back-to-back through their respective GE0/0 interfaces, and their interconnection network segment is 192.168.1.0/30. After the IP addresses are correctly configured, the GE0/0 interfaces of the two routers can communicate with each other. Now the following OSPF configurations are added to the two routers:
ospf 1
area 0.0.0.1
network 192.168.1.0 0.0.0.3
So which of the following statements are correct?
- A. A stable OSPF adjacency relationship can be established between the two routers, but there is no OSPF route in the routing tables of RTA and RTB
- B. No Router ID is configured, and a stable OSPF adjacency relationship cannot be established between the two routers
- C. Area 0 is not configured, and a stable OSPF adjacency relationship cannot be established between the two routers
- D. An OSPF route will appear in the RTA routing table
Answer: A
NEW QUESTION 142
During the establishment of the TCP connection as shown in the figure, the Z part of the SYN should be filled with ________.
- A. a+1
- B. b+1
- C. a
- D. b
Answer: B
NEW QUESTION 143
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 IP address 172.16.0.1 is connected to port GE0/0
- D. The host with MAC address 001c-233d-5695 is connected to port GE0/1
Answer: B,C
NEW QUESTION 144
Divide a class B network segment into subnets. If the subnet mask is 19 bits, then the maximum number of hosts that can be accommodated in each subnet is ______. (Please fill in Arabic numerals)
Answer:
Explanation:
8190
NEW QUESTION 145
The MAC address table on a layer 2 switch is shown in the figure.
When the switch receives a frame with a destination MAC address of 00-13-72-8E-4E-C4 from the E1/0/2 interface, the switch will ______ the frame. (Multiple choice)
- A. Send out from the E1/0/3 interface
- B. send out from all interfaces on the switch
- C. Send out from the E1/0/1 interface
- D. Discard directly
- E. send out from E1/0/4 interface
- F. Send out from the E1/0/2 interface
Answer: A,C,E
NEW QUESTION 146
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