New 2021 Guaranteed Success with Prep4King GB0-391 Dumps H3C PDF Questions
Exceptional Practice To Constructing Secure optimized WANs v2.0 Pass the First Time
NEW QUESTION 42
Which of the following statements about the access network is correct is _____
- A. Compared with backbone network, access network is often the bottleneck of network transmission speed
- B. The access network can also be Ethernet
- C. access network typically includes a user transmission system, terminal multiplexers or network,
- D. access into generally refers to the connection between the user and the network operator of the network close to the user central office
Answer: A,B,C,D
NEW QUESTION 43
In a network accident, it was discovered that a certain host A received a large number of ICMPechorepl messages.The source address of the ICMPechorep was almost all the host addresses in the subnet where the host is located.What kind of attacks might this host have received ?
- A. Fraggle attack
- B. SN-FLOOD attack
- C. Smurt attack
- D. Ping of Death
Answer: C
NEW QUESTION 44
The following commands are configured on the MSR router:
acl number 3000
rule o permit ip source 100.0.10
acl number 3002
rule o permit ip source 100.0.0.0.0.0.0.255
interface GigabitEthemeto/1
port link -mode-route
jp.address 200.0.0.1255.255.255.0
qos gts acl 3002 cir 200 cbs 12500 ebs o queue-length50
qos gts acl 3000cir 100 cbs 6250 ebs o queue-length50
Then when the port G0/1 forwards packets with the source IP address of 100.0.0.1 in the outbound direction , which of the following statements is correct ( choose one or more )
- A. flow greater than 100kbps , the less than 200kbps instant message shaping to 100kbps forwarded
- B. the flow amount is less than 100kbps forwarded when
- C. flow is greater than 100bkps , less than 200kbps , the normal forwarding
- D. portions partial misconfigured
- E. stream is greater than 200kbps , the packet shaping to 200kbps forwarded
- F. stream is greater than 200kbps , the packet shaping to 100kbps forwarded
Answer: B,C,E
NEW QUESTION 45
Which of the following statements about LR is incorrect is
- A. so that the flow rate is measured using the token bucket algorithm, would exceed the committed rate of packets into the queue buffer again, it reduces the overall packet loss rate, smooth traffic, introduces additional delay
- B. Not valid for non- IP packets
- C. It is an active traffic adjustment measure, which limits the total rate of packets sent from one port to the bottom
- D. bits in the network disk, all the heat out from the interface can take effect
Answer: B,D
NEW QUESTION 46
The changes of MP-BGP protocol relative to BGP protocol include
- A. The new increase Extended Communities attribute
- B. The new increase MP REACH NLRI attribute
- C. The new increase MP UNREACH NLRI attribute
- D. new growth VPNv4 address family
Answer: A,B,C,D
NEW QUESTION 47
The content that traffic management needs to pay attention to are _____ .
- A. What is the percentage of bandwidth occupied by various uses at the exit?
- B. How much traffic is on each link
- C. net peak and average in all types of network traffic
- D. Net network traffic in time how the distribution of each type of business
Answer: A,B,C,D
NEW QUESTION 48
In the basic configuration of L2TP in independent LAC mode , the description of the tunnel verification function is correct.
- A. tunnel channel request can be verified by the LAC initiated
- B. lack of provincial cases, tunnel authentication is disabled
- C. lack of provincial cases, tunnel authentication is enabled.
- D. tunnel channel request can not be verified by the LNS initiated
Answer: A,C
NEW QUESTION 49
An employee of a company often travels on business.In order to facilitate access to company resources, which of the following L2TP access and authentication methods should he use____
- A. LAC certification
- B. passenger door LAC mode
- C. LNS certification
- D. alone stand L2TP mode
Answer: B,C
NEW QUESTION 50
When SIP-UA calls the called party through the proxy server, ____ .
- A. In addition to the external location request message, the calling UA other messages need not be forwarded through a proxy server
- B. Lord called UA All messages are forwarded through a proxy server
- C. In this environment, the called UA response message is sent instead of the main junction proxy called UA
- D. to the not right
Answer: B,C
NEW QUESTION 51
Please add the correct parameters in the following PPPoE Cllent configuration:
Answer:
Explanation:
110
NEW QUESTION 52
In the MSR router configuration commands as follows:
qos pql 1 queue top queue-length 1024
qos pql 1 inbound-interface GigabitEthernet0/0 queue top
qos pql 1 protocol ip tcp 1000 queue top
qos pql 1 protocol ip tcp 1001 queue middle
qos pql 1 protocol ip tcp 1002 queue normal
qos pql 1 protocol ip tcp 1003 queue bottom
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
qos lr outbound cir 10000 cbs 625000 ebs 0
qos pq pql 1
From the interface G0 / 0 into the only access port G0 / 1 forwarding traffic directed include the destination port, respectively 1000 , 1001 , 1002 and 1003 of the TCP packet flow rates of 3Mbps , other background traffic 4Mbps , other interfaces no flow, then the following claims The correct one is ______ ( choose one or more
Item )
- A. back background traffic packets into the Bottom queue, forward speed of about 0.5Mbps
- B. Head of port 1001 of TCP packet forwarding rate of 3Mbps
- C. Head of the port 1002 of TCP packet forwarding rate of 3Mbps
- D. with opposing bad
- E. Head of port 1003 of TCP packet forwarding rate of 1Mbps
- F. Head of port 1000 of TCP packet forwarding rate of 3Mbps
Answer: B,F
NEW QUESTION 53
How to check whether the MP-BGP neighbor between two PE devices has been established successfully ______ .
- A. displa bgp vpnv4 peer
- B. displa bgp vpnv4 all peer
- C. displa mp-bgp peer
Answer: B
NEW QUESTION 54
Which of the following codes has the lowest requirement for broadband?
- A. G723
- B. G729
- C. G711
- D. G726
Answer: A
NEW QUESTION 55
According to the encapsulation form of the message, the IPSec working mode is divided into ____ .
- A. Wild Man mode
- B. Main mode
- C. transfer transport mode
- D. Tunnel Road mode
Answer: C,D
NEW QUESTION 56
A VoIP network using the H.323 protocol is interconnected with a PSTN network.Which of the following components must be included in the VoIP network to ensure that users can call local calls from the VoIP network ?
- A. terminating end
- B. net off
- C. network gatekeeper
- D. MCU
Answer: A,B
NEW QUESTION 57
If the device is employed with a double rate burst single token bucket algorithm for traffic measurement, assume that a moment about a 400 -byte packet arrives, then CBS so that the number of tokens in the token bucket is 300 bytes , The number in the PBS token bucket is 500 bytes, and the message will be marked as
- A. exceed the committed rate
- B. Cheng Connaught the rate
- C. peaks in the rate of value
- D. exceed the peak rate
Answer: C
NEW QUESTION 58
by the security gateway device displa ipsec sa command displays the following order information, the information is understood by ______ .
Interface: Serial0/2/1
path MTU: 1500
=========================== ====
-----------------------------
IPsec polic name: "1"
sequence number: 1
mode: isakmp
-----------------------------
connection id: 5
encapsulation mode: transport
perfect forward secrec: None
tunnel:
local address: 10.2.1.1
remote address: 10.2.1.2
Flow:
sour addr: 10.1.1.0/255.255.255.0 port: 0 protocol: IP
dest addr: 10.3.1.0/255.255.255.0 port: 0 protocol: IP
[inbound ESP SAs]
spi: 909448761 ( 0x36351639 )
proposal: ESP-ENCRPT-DES ESP-AUTH-MD5
sa remaining ke duration ( btes/sec ) : 1887435204/83
max received sequence-number: 19
udp encapsulation used for nat traversal: N
[outbound ESP SAs]
spi: 1583842120 ( 0x5e678348 )
proposal: ESP-ENCRPT-DES ESP- AUTH-MD5
sa remaining ke duration ( btes/sec ) : 1887435204/83
max sent sequence-number: 20
udp encapsulation used for nat traversal: N
- A. This security policy works in tunnel mode
- B. This security policy does not enable the NAT traversal function of IPSec/IKE
- C. This security policy IKE dynamic state of a negotiated key , the SPI , security protocols and algorithm parameters
- D. This security policy uses the ESP+AH encapsulation protocol
Answer: B,C
NEW QUESTION 59
The following commands are configured on the S3610 switch:
qos map-table dot1p-lp
import 1 export 5
interface Ethernet1/0/8
port link-mode bridge
port link-tpe trunk
port trunk permit vlan 1 to 2
qos trust dot1p
interface Ethernet1/0/7
port link-mode bridge
port link-tpe trunk
port trunk permit vlan 1 to 2
qos gts queue 5 cir 1950 cbs 2000000
Then when the flow rate is 10Mbps the vlan id is 2 and 802.1p preferred priority of 1 is the packet from the port E1 / 0/6 enters only port E1 / 0/7 when forwarding.
Then the following statement is correct
- A. E1 / 0 /.9 outgoing packets 802.1p preferred precedence 5
- B. Packet traffic shaping is 1950kbps for forwarding
- C. E1 / 0 /.9 outbound message packets 802.1p Priority Level 1
- D. portions partial misconfigured
- E. 10Mbps packets are forwarded normally
Answer: C,E
NEW QUESTION 60
A VoIP network is interconnected with a PSTN network and adopts the H.323 protocol.It is required that in addition to normal voice calls, it must also be able to conduct telephone conferences with more than three rooms.The VoIP network must include H.323 components including
- A. terminating end
- B. net off
- C. network gatekeeper
- D. MCU
Answer: A,B,D
NEW QUESTION 61
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