Online Questions - Valid Practice To your GB0-391 Exam (Updated 468 Questions)
Practice To GB0-391 - Remarkable Practice On your Constructing Secure optimized WANs v2.0 Exam
NEW QUESTION 65
The following statement about RED random early detection is incorrect.
- A. flat average queue length is greater than the maximum discard threshold, packets are dropped randomly
- B. In discarded after a congested port
- C. flat average queue length is less than the minimum discard threshold, discarding packets not
- D. flat average queue length is greater than the minimum discard threshold, packets are dropped randomly
- E. The higher the priority of the message , the lower the probability of discarding it, which means the less discarded it is
Answer: A,B,E
NEW QUESTION 66
Which of the following descriptions about L2TP tunnel ( Tunnel ) and L2TP session ( Session ) are correct is ____ .( Choose one or more )
- A. The L2TP session must be carried out after the L2TP tunnel is established
- B. will identify the session ( the Session ID ) is not the same message can reuse the same tunnel
- C. will identify the session ( the Session ID ) is not the same message can not reuse the same tunnel
- D. L2TP session can be carried out before L2TP tunnel is established
Answer: A,B
NEW QUESTION 67
In BGP MPLS VPN of networking, P devices need to support Which of the following features ?
- A. Private network MPLS label
- B. RT
- C. Public network MPLS label
- D. RD
Answer: A,B,C,D
NEW QUESTION 68
In the SIP network, which of the following devices are not UA?
- A. SIP server
- B. lP phone
- C. language voice gateway
- D. connected to a common voice on the gateway PSTN phone
Answer: A,D
NEW QUESTION 69
What fields does MPLS label have ?
- A. Label
- B. S
- C. EXP
- D. TTL
Answer: A,B,C,D
NEW QUESTION 70
According to the different network levels, VPN can be divided into the following types
- A. Internet VPN
- B. Layer2 VPN
- C. Intranet VPN
- D. Layer3 VPN
Answer: B,D
NEW QUESTION 71
Use the command on the MSR router:
dis qos wfq interface GigabitEthernet 0/1
Get the following information:
Interface: GigabitEthernet0/1
Output queue: ( Urgent queuing: Size/Length/Discards ) 0/100/0
Output queue: ( Protocol|queuing: Size/Length/Discards ) 0/500/0
Output queue: ( Weighted Fair queuing: Size/Length/Discarcds ) 1023/1024/52719
Hashed b DSCP
Hashed queues 1/2/64 ( Active/Max active/Total )
Then the correct one in the following statement is ____ .
- A. calendar history activated off the maximum number of queues is 2
- B. When the number of queues is active before 2
- C. end port using the WFQ queues, the weight type DSCP
- D. team column a maximum length of 1024 , the current data hold chamber, and packet loss
- E. end port using the WFQ queues, the weight of type IP priority
Answer: A,C,D
NEW QUESTION 72
Execute the command on the MSR router and output the following information:
Interface: GigabitEthernet0/1
Output queue: (Urgent queuing: Size/Length/Discards ) 0/100/0
Output queue: (Protocol queuing: Size/Length/Discards ) 0/500/0
Output queue: (Priorit queuing: PQL 1 Size/Length/Discards)
Top: 3/20/42878 Middle: 10/40/0 Normal: 60/60/259195 Bottom: 80/80/344297
Then the following statement is incorrect :
- A. PQ queue scheduling does not take effect , Top traffic has no packet loss
- B. PQ queue scheduling does not take effect , and Middle traffic has no packet loss
- C. PQ queue scheduling takes effect , Top traffic has packet loss
- D. PQ queue scheduling does not take effect , Top traffic has packet loss
- E. PQ queue scheduling takes effect , and Top traffic has no packet loss
- F. PQ queue scheduling takes effect , no packet loss for Top traffic
Answer: A,D,E,F
NEW QUESTION 73
Among multiple VRF technologies, one VRF will have ______ .
- A. independent stand routing table
- B. independent stand routing protocol process
- C. independent stand router CPU
- D. independent stand physical or logical interface
Answer: A,B,D
NEW QUESTION 74
Which of the following descriptions about L2TP tunnel ( Tunnel ) and L2TP session ( Session ) are correct is ____ .( Choose one or more )
- A. with one pair of LNS and LAC can only be established between a L2TP tunnel
- B. The L2TP session must be carried out after the L2TP tunnel is established
- C. L2TP session can be carried out before L2TP tunnel is established
- D. with one pair of LNS and LAC can establish one or more between the L2TP tunnel
Answer: B,D
NEW QUESTION 75
and IKE wild pretty model compared to, IKE main mode which has the following characteristics ?
- A. adopted by IKE main mode negotiation can improve speed
- B. IKE main mode can provide authentication
- C. IKE main mode is more secure than aggressive mode
- D. In the case where both parties can know the IP address of the initiator in advance and need to use the pre-shared key, only the main mode can be used
Answer: B,C
NEW QUESTION 76
To reinforce the company's network, you need to ____ user authentication and authorization.
- A. Gordon user land network equipment
- B. Liu Users browse the company's external website
- C. access to the network of the network printer / video terminals
- D. access into the internal network users
Answer: A,D
NEW QUESTION 77
Please order under PPPoE Client complementary set the correct parameters :
[HG] dialer-rule 1 ip permit
[HG] interface dialer 2
[HG-Dialer1] dialer user userl
[HG-Dialer1] dialer-group____1____
[HG-Dialer1] dialer bundle ____V___
[HG-Dialer1] ip address ppp-negotiate
[HG-Dialer1] ppp pap local-user user1 password simple pass1
[HG] interface ethernet 0/0
[HG-Ethernet0/0] pppoe-client dial-bundle-number 10
- A. 1 , 10
Answer: A
NEW QUESTION 78
Please add the correct parameters in the following PPPoE Cllent configuration:
Answer:
Explanation:
110
NEW QUESTION 79
Which of the following components is made up of the DiffServ model ?
- A. edge border links and internal links
- B. DS District ( Different Service Region )
- C. the DS inner portions node ( the DS Interior Nodes )
- D. Non- DS domain
- E. DS boundary nodes ( DS Boundar Nodes )
- F. DS domain ( Differentiated Service Domain )
Answer: A,B,C,D,E,F
NEW QUESTION 80
Use the displa ike peer command to display the following information on the device, and you can know from this information ____ .
KE Peer: 123
exchange mode: aggressive on phase 1
pre-shared-ke simple 123
peer id tpe: name
peer ip address: 10.2.1.1
local ip address:
peer name: aaa
nat traversal: enable
dpd:
- A. In the IKE negotiation negotiation mode in phase master mode
- B. The name of the local security gateway during IKE negotiation is aaa
- C. During the first phase of IKE negotiation, the initiator sends its name to the peer to identify its identity
- D. is not configured for the local security gateway lP address, IKE local gateway negotiation lP address of the interface will use the security policy of the main lP address
Answer: C,D
NEW QUESTION 81
IP head ToS field provides a ______ a DSC code points.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 82
Which of the following H.225 messages called for the direction of the caller indicates that call processing progress state ?
- A. Progress
- B. Setup
- C. Call-proceeding
- D. Alerting
Answer: A,C,D
NEW QUESTION 83
For the two upstream and downstream LSRs , for the label forwarding table of the same forwarding equivalence class, the correct description is _______ .
- A. the swim LSR the label value of the label value is the same as the downstream equipment
- B. the tour LSR same label value into the label value to downstream devices
- C. the swim LSR same outgoing label and the label value of the downstream equipment
- D. the tour LSR same tag value into a tag value to downstream devices
Answer: D
NEW QUESTION 84
There are ______ methods for user authentication and authorization when logging in to network equipment .
- A. CA certification and authorization
- B. HWTACAC authentication and authorization
- C. RADIUS authentication and authorization
- D. This authenticated authorization
Answer: B,C,D
NEW QUESTION 85
Among the following tunneling technologies that do not have the function of data encryption are ______ .
- A. GRE
- B. L2TP
- C. MPLS-VPN
- D. IPSec tunnel
Answer: A,B,C
NEW QUESTION 86
The following descriptions belong to the function of the handshake layer of the SSL protocol .
- A. isobutyl the normally turned off SSL connection
- B. Negative responsible for the establishment, maintenance SSL session
- C. insurance certificate, reliable data transmission
- D. Association key used to encrypt the parameter provider
Answer: A,B
NEW QUESTION 87
Factors that affect VoIP voice quality include ______ .
- A. back sound
- B. choose a type of numbering
- C. selected by signaling type
- D. Packet loss on IP network
Answer: A,B,D
NEW QUESTION 88
......
True GB0-391 Exam Extraordinary Practice For the Exam: https://www.trainingquiz.com/GB0-391-practice-quiz.html
