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NEW QUESTION 104
Which of the following is not a preliminary preparation for the cutover plan?
- A. Risk Assessment
- B. Existing network root description
- C. Field Defence
- D. Cutover target
Answer: C
NEW QUESTION 105
Which of the following description of "packet marking" is incorrect?
- A. The QoS information field of the packet can be marked
- B. DSCP IP Precedence information of IP packets can be marked
- C. The 802.1Q information of Vlan packets can be marked
- D. The MAC of the message can be marked
Answer: D
NEW QUESTION 106
In the following description, which of the following items are used to remind customers of information security? (Multiple choice)
- A. Password update reminder
- B. Account sorting reminder
- C. Log Protection Reminders
- D. Data backup reminder
Answer: A,B,C,D
NEW QUESTION 107
Which of the following will not cause the VRRP backup group to flap?
- A. The VRRP backup group preemption delay configuration of the two countries is inconsistent
- B. Packet loss on the backup device interface
- C. Link flapping for transmitting VRRP advertisement packets
- D. The time interval of the notification message is too small
Answer: A
NEW QUESTION 108
ping-a X-c Y-s z-vpn-instance M 10.5.16.2, what is the meaning of this command? (Multiple choice)
- A. The source IFP address of the ping packet is X
- B. The ICMP request of the ping, the packet size is Z (excluding IP and ICMP headers)
- C. The ping packet belongs to VPN instance M
- D. The ping sends Y ICMP requests
Answer: A,B,C,D
NEW QUESTION 109
Which of the following descriptions is correct about configuring static LSPs in MPLS networks? (Multiple choice)
- A. When a LSR is Transit LSR, both In Label and Out label need to be configured
- B. When a LSR is Transit LSR, both In Label and Out Label need to be configured
- C. When a LSR is an Ingress LSR, Out Label only needs to be configured
- D. When a LSR is an Egress LSR, only In Label needs to be configured
Answer: A,C,D
NEW QUESTION 110
In the MPLS VPN network, when the data packet enters the public network and is forwarded, it will be encapsulated with two layers of MPLS labels. Which of the following description about the two layers of labels is wrong? (Multiple choice)
- A. The outer label is used to correctly send the data packet to the corresponding VPN on the PE device.
- B. By default, the outer label is popped before the packet is forwarded to the last hop device.
- C. The outer label of MPLS VPN is assigned by LDP protocol or statically, and the inner label is assigned by the IP BGP neighbor of the opposite end.
- D. The outer label of an MPLS VPN is called the private network label, and the inner label is called the public network label.
Answer: A,D
NEW QUESTION 111
Which of the description of business priority in DSCP is correct?
- A. CS has the highest priority
- B. AF11 has a higher packet loss rate than AF12
- C. AF has higher priority than EF
- D. AF11 has higher priority than AF4
Answer: A
NEW QUESTION 112
The end-to-end delay is equal to the sum of all processing delays and queue delays on the path
- A. False
- B. True
Answer: A
NEW QUESTION 113
The QoS technique commonly used for congestion avoidance is?
- A. GTS
- B. Car
- C. WRED
- D. LR
Answer: C
NEW QUESTION 114
In the network shown in the figure below, if a remote LDP session between SWA and SWC is to be realized, which of the following statement is correct?
- A. It is not necessary to specify the lsr-id of the correct peer
- B. Need to configure the direct connection interface to establish a TCP connection
- C. You need to create a remote peer and specify the lsr-id of the peer
- D. The configuration in the figure can already be implemented
Answer: C
NEW QUESTION 115
In the MPLS forwarding process, which descriptions are correct about the forwarding of the ingress node? (Multiple choice)
- A. Press the obtained label into the IP packet, and process the EXP and TTL according to the QoS policy
- B. After receiving the data packet, the Ingress node recycles the ILM table first and finds the Tunnel ID
- C. View the NHLFE entry, you can get the outgoing interface, next hop, outgoing label and label operation type, the label operation type is Push
- D. Find the corresponding NHLFE entry according to the Tunnel ID of the ILM table and associate the LFIB with the NHLFE entry
Answer: A,C
NEW QUESTION 116
Which of the following commands can be used to view information about BGP VPNV4 routes and BGP private network routes on PE?
- A. display bgp routing-table address-family vpnv4
- B. display bgp vpnv4 routing-table
- C. display vpnv4 bgp routing-table
- D. display bgp routing-table ipv4-family vpnv4
Answer: B
NEW QUESTION 117
To speed up the detection of link failures in IS-IS networks, you can associate IS-IS with BFD.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 118
IS-IS supports multiple instances and multiple processes, that is, one IS-IS router, multiple VPN instances can be configured to be associated with multiple IS-IS processes. Which of the following descriptions about IS-IS multi-instance and multi-process are correct? (Multiple choice)
- A. If an IS-IS router creates multiple IS-IS processes, each process does not affect each other and is independent of each other
- B. One IS-IS process can only be associated with one VPN instance
- C. 1 VPN instance can be associated with multiple different IS-IS processes
- D. 1 IS-IS process can be associated with multiple different VPN instances
Answer: A,B,C
NEW QUESTION 119
The client's project team, as the end user of the network, makes the final evaluation of the network project.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 120
When configuring a RADIUS server template on a Huawei switch, which of the following options are optional configuration parameters?
- A. Shared-key
- B. RADIUS automatic detection of users
- C. Authentication server address and port
- D. Accounting server address and port
Answer: B
NEW QUESTION 121
OSPFV2 is an IGP running on an IPV4 network; OSPFv3 is an IGP running on an IPV6 network. The basic working mechanism of OSPFv3 is the same as that of OSPFv2, such as the election of DR and BDR.
As shown in the figure, an engineer uses three routers to test IPv6 services. He wants to realize the interconnection of IPv6 networks by running OSPFv3.
Which of the following statements about the election of the network DR is correct?
- A. After the network converges, R1 is the DR
- B. After the network converges, R1 is powered off and restarted, and when the network converges again, R3 is the DR
- C. After the network converges, the engineer changes the priority of R1 to 100, the priority of R2 to 10, and the default value of R3. When the network converges again, R1 is the DR
- D. After the network converges, a new device R4 is added to the broadcast link
Answer: B
NEW QUESTION 122
In the DU label distribution mode, if the Liberal retention mode is adopted, the device will retain the labels distributed by all LDP peers, regardless of whether the LDP peer is the optimal next hop to the destination network segment.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 123
Match the alarm severity to the severity of the fault and countermeasures.
Answer:
Explanation:
NEW QUESTION 124
What mechanisms can VRRP be combined with to monitor uplink connectivity? (Multiple choice)
- A. IP-link
- B. Interface track
- C. BFD
- D. NQA
Answer: A,B,C,D
NEW QUESTION 125
Through the display ip interface GE0/0/0 command, you can view the statistics of ping packets received on this interface.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 126
On the boundary between the enterprise network and the external network, what kind of equipment is generally deployed on the outermost part of the enterprise network.
- A. IPS
- B. FW
- C. VPN
- D. IDS
Answer: B
NEW QUESTION 127
R1 performs operation ping-a 10.1.1.1 10.5.16.2, what is the meaning of this command?
- A. The source IP address of the ping packet is any directly connected interface address of R1
- B. The source IFP address of the ping packet is the outgoing interface address of the optimal IP route of R1 pointing to 10.5.16.2, and not 10.1.1.1
- C. The source IP address of the ping packet is 10.1.1.1
- D. The destination IP addresses of the ping packets are 10.1.1.1 and 10.5.16.2
Answer: C
NEW QUESTION 128
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