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NEW QUESTION 102
The following description of the characteristics of the router is correct ______. (Multiple choice)
- A. Route and forward according to link layer information
- B. Provide rich interface types
- C. It is a network layer device
- D. Can support multiple routing protocols
Answer: B,C,D
NEW QUESTION 103
A Layer 3 switch is connected to the GigabitEthernet0/0 interface of the customer's router MSR-1, and this Layer 3 switch is the default gateway for multiple segments of the customer's office network. At the same time, the WAN interface of the router is connected to the Internet, and there is a DNS server on the Internet to provide services for hosts in the customer's local area network. The customer's office network can access the Internet normally. Now the following ACL is applied in the inbound direction of GigabitEthernet0/0 of MSR-1 :
firewall enable
acl number 3006
rule 0 deny tcp source 192.168.1.0 0.0.0.255
rule 5 permit ip
So ______ . (Multiple choice)
- A. Customers on the 192.168.1.0/24 network segment cannot send and receive external mail through mail clients such as Outlook
- B. Customers on the 192.168.1.0/24 network segment can send and receive external mail normally through mail clients such as Outlook
- C. Customers on the 192.168.1.0/24 network segment cannot open external web pages through WWW
- D. Customers on the 192.168.0.0/24 network segment can download data from the Internet via FTP
Answer: A,C,D
NEW QUESTION 104
NAPT mainly converts the ______ information of the data packet? (multiple choice)
- A. Network layer
- B. Data link layer
- C. Transport layer
- D. Application layer
Answer: A,C
NEW QUESTION 105
According to user requirements, the administrator needs to configure the switch SWA port Ethernet1/0/1 as a Trunk port.
Which of the following commands is the correct configuration command?
- A. [SWA]port link-type trunk
- B. [SWA-Ethernet1/0/1]undo port link-type access
- C. [SWA]undo port link-type access
- D. [SWA-Ethernet1/0/1]port link-type trunk
Answer: D
NEW QUESTION 106
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 are two OSPF routes to the destination network segment NET-1 in the RTB routing table
- C. After the network status is stable, within the next 45 minutes, only Hello packets will be transmitted between OSPF neighbors on the network
- D. There is only one OSPF route to the NET-1 network segment in the RTA routing table
Answer: A,D
NEW QUESTION 107
Connect the two switches with an Ethernet cable, and the MDI type of the interconnection port is configured as across, then the Ethernet cable should be ________.
- A. Parallel network cable and cross network cable are not acceptable
- B. Both parallel and crossover cables are available
- C. Only use a straight-through network cable
- D. Only use crossover cable
Answer: D
NEW QUESTION 108
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. Advanced ACL can be configured on the router and applied in the inbound direction of GE0/0.
- B. You can configure basic ACL on the router and apply it in the outbound direction of GE0/0.
- C. Basic 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: A,C
NEW QUESTION 109
During the establishment of the TCP connection as shown in the figure, the Y part of SYN should be filled with ________.
- A. b
- B. b+1
- C. a
- D. a+1
Answer: D
NEW QUESTION 110
It is the ______ of the OSI reference model that provides end-to-end reliable data transmission and flow control.
- A. Presentation layer
- B. Session layer
- C. Transport layer
- D. Network layer
Answer: C
NEW QUESTION 111
Among the following statements about Easy IP, the correct one is ______. (Multiple choice)
- A. Easy IP is a special case of NAPT
- B. Easy IP is suitable for NAT device dialing or dynamically obtaining public network IP address
- C. When configuring Easy IP, there is no need to configure ACL to match the packets that need to be translated by NAT
- D. No need to configure NAT address pool when configuring Easy IP
Answer: A,B,D
NEW QUESTION 112
Which of the following protocols may run between a frame relay DTE device and a frame relay switch?
- A. LMI
- B. SVC
- C. DLCI
- D. PVC
Answer: D
NEW QUESTION 113
The two empty-configured MSR routers MSR-1 and MSR-2 are interconnected through their respective GE0/0, and their IP addresses are 192.168.1.2/30 and 192.168.1.1/30 respectively.
Then add the following configuration on both routers:
[MSR-ospf-1]area 0 [MSR-ospf-1-area-0.0.0.0]network 192.168.1.1 0.0.0.3
The OSPF Router IDs of the two routers are their respective GE0/0 interface addresses, and there is no other configuration on the two routers.
Then, to ensure that MSR-1 becomes OSPF DR in the next election, which of the following configurations needs to be added? (multiple choice)
- A. Configure on MSR-2: [MSR-1-ospf-1]ospf dr-priority 0
- B. Configure on MSR-1: [MSR-1-GigabitEthernet0/0]ospf dr-priority 255
- C. Configure on MSR-2: [MSR-2-GigabitEthernet0/0]ospf dr-priority 0
- D. Configure on MSR-1: [MSR-1-ospf-1]ospf dr-priority 255
Answer: B,C
NEW QUESTION 114
A customer’s MSR router is connected to the Internet through the WAN interface S1/0, and to the office network through the LAN interface GE0/0. At present, office network users can access the Internet normally.
Add the following ACL configuration on the router:
firewall enable
firewall default deny
# acl number 3003
rule 0 deny icmp
rule 5 permit tcp destination-port eq 20
#
interface GigabitEthernet0/0
firewall packet-filter 3000 inbound
firewall packet-filter 3000 outbound
So ______ .
- A. The FTP traffic initiated by the office network user to the router can pass through normally
- B. FTP traffic to the Internet initiated by the office network user is allowed to pass through the router, and all other packets are prohibited from passing through the router
- C. Telnet packets initiated by office network users to reach the router GE0/0 can pass through normally
- D. ICMP packets sent to the Internet initiated by office network users are prohibited by the router from passing
Answer: D
NEW QUESTION 115
To configure Trunk on the link between Ethernet switches and allow the transmission of VLAN 10 and VLAN 20 information, you must configure ______ on the switch.
- A. [Switch] port link-type trunk
- B. [Switch-Ethernet0/1] port trunk pvid 10
- C. [Switch] port link-type access
- D. [Switch-Ethernet0/1] port link-type trunk
Answer: D
NEW QUESTION 116
The equipment that should be used in the box in the figure is ______.
- A. CSU/DSU
- B. Modem
- C. Router
- D. WAN switch
Answer: C
NEW QUESTION 117
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