Free Access H3C.GB0-391.v2022-05-05.q128 Practice Test (Page 24)

Question 111

In the GRE encapsulation of IP over IP , IP uses the protocol number ____ to mark the GRE header.

A.47

Question 112

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
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 requires manual configuration of parameters such as keys, SPI , security protocols and algorithms

B.This security policy work in tunnel mode

C.This security policy requires the use of IKE dynamic negotiation key, SPI , security protocol and algorithm and other parameters

D.This security policy works in transmission mode

Question 113

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.end port using the WFQ queues, the weight of type IP priority

B.calendar history activated off the maximum number of queues is 2

C.team column a maximum length of 1024 , the current data hold chamber, and packet loss

D.When the number of queues is active before 2

E.end port using the WFQ queues, the weight type DSCP

Question 114

About CBQ said law incorrect ______

A.It is a congestion management technology implemented by QoS strategy

B.packet contains .1 th default queue for supporting the BE service, using the WFQ queue scheduling

C.package contains .1 th the LLQ , to support EF traffic, is transmitted absolute priority, guaranteed latency

D.package contains .1 th BQ , for supporting the AF service, broadband guaranteed queue and controllable delay

Question 115

The correct statement regarding the defense of malformed messages is ______ .

A.needles of ping of death attacks by detecting sensing Ping whether the request packet over a length of over 65536 bytes to discriminate whether the attack packets, if the length exceeds 65536 bytes, the packet will be discarded.

B.needle for Teardrop , information may be cached fragment attack by class, each source, the purpose of the IP , the packet ID the same set of configuration, the maximum cache 10,000 groups , the data in the buffer reaches a maximum when directly discards fragmented, while According to the cached fragmentation information, analyze the legitimacy of IP packet segmentation, and directly discard illegal IP packets to resist attacks

C.abnormal shaped packet attacks targeted defense needs for each attack

D.needle deformity TCP packet attack, by determining TCP determines whether the packet is a packet attack packet flag for .6 flag bits are all 1 or .6 flag bits are all is 0 or SN and FIN simultaneously It is a packet discards

Other Version: 59H3C.Exams4sures.GB0-391.v2021-11-30.by.matthew.151q.pdf

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Question 111

Question 112

Question 113

Question 114

Question 115

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