2022 Correct Practice Tests of H12-821_V1.0 Dumps with Practice Exam [Q21-Q45]

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2022 Correct Practice Tests of H12-821_V1.0 Dumps with Practice Exam

Certification Sample Questions of H12-821_V1.0 Dumps With 100% Exam Passing Guarantee

NO.21 Which of the following TLVs is used by ISIS to describe the IP address of an interface?

129

131

128

132

NO.22 Compress the 2001:0DBB:B8:0000:C030:0000:0000:09A0:CDEF address.___________(if the answer contains letters, capitalize them.)

pending

NO.23 OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.

TRUE

FALSE

NO.24 ON a stateful inspection Firewall where there is no session table, when the status detection mechanism is enabled and the second packet (CYN+ACK) of 3-way hadshakes reaches the firewall. Which of the following statements is true?

If the firewall security policy permits packets to pass, the session table is created.

By default, when status detection is disabled and the permit policy is configured packets can pass.

Packets must pass the firewall, and a session table is established.

If the firewall security policy permits packets to pass, the packets can pass the firewall.

NO.25 According to BGP route selection rules, the route with the higher Local_Pref is preferred.

TRUE

FALSE

NO.26 Which of the following statements regarding the LSA age field are true?

The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.

If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.

The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.

If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of this LSA needs to regenerate an instance of this LSA again.

NO.27 A switch runs MSTP. The configuration is shown in the figure. What is the role of this switch in MSTI 1?

Uncertain

Root switch

Non-root switch

Secondary root switch

NO.28 There are two BFD operating modes. In_______mode, the local end sends BFD Control packets at specified intervals, and the remote end checks whether the local end periodically sends BFD Control packets. (Use lowercase letters.)

primary

NO.29 Which Of the following IEEE 802.11 standards is also known as Wi-Fi 6?

802.11ac

802.11n

802.11ax

802.11b

NO.30 Which of the following is the default interval at which the DIS on a broadcast IS_IS network sends CSNPs.

3.3

NO.31 Which of the following statements regarding the BGP error display of a router false?

The error may be caused by the incorrect neighbor address.

The neighbor address of this router is 10.1.1.5.

Error Type indicates that the BGP error is caused by the neighbor relationship error.

The error occurred at 12:40:39 on March 22, 2010.

NO.32 Which of the following statement regarding the display ospf peer command output is true?

Address: 10.1,1.1 Indicates that the local interface address is 10.1.1.1.

Through negotiation during DD packet exchange, the local end becomes the slave.

Router ID indicates that the local router ID Is 10.1.1.1.

The DR address is 10.1.1.1

NO.33 Which of the following statements regarding OSPF route summarization is false?

OSPF supports two route summarization modes: ABR summarization and ASBR summarization.

Any router in OSPF can summarize routes.

Route summarization is the process of summarizing routes with the same prefix into one route and then advertising only the summarized route to other areas.

Route summarization can reduce routing information, decrease the routing table size, and improve router performance.

NO.34 See the following figure. RTA, RTB, RTC, and RTD are in the same AS and establish IBGP peer relationships through direct links. RTB an RTC are route reflectors (RRs), RTA and RTC are the RR clients of RTB, and RTB and RTD are the RR clients of RTC. If RTA advertises the route 10.1.1.0/24 to the BGP process, the Originator ID of the BGP route received by RTD is——————.

IN ORDER

NO.35 To inject IGP routes into BGP routes, you can only use the network command.

TRUE

FALSE

NO.36 What parameters can a DHCP6 server assign to a DHCPv6 client?

Gateway address

DNS server address

IPV6 address/prefix

SNTP server address

NO.37 A Huawei firewall by default creates security zones named untrust, dmz, _________ and local. (Use Lowercase letters.)

security policy

NO.38 Which of the following attribute must be carried in an Update message?

Local-pref

Prefval

MED

AS-Path

NO.39 The Interface P address and VRRP virtual IP address can be the same.

TRUE

FALSE

NO.40 Compared with STP, RSTP defines the different port states. Which of the following statements regarding discarding and learning states are true?

The port In discarding or learning state does not forward data frames.

The port in discarding state does not learn MAC addresses table.

The port in discarding or learning state does not learn MAC addresses

The port In learning stole docs not learn MAC addresses table.

NO.41 The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.

TRUE

FALSE

NO.42 Which of the following statements regarding the stateful inspection firewall is true?

When the stateful inspection firewall checks packets, packets of one same connection are not correlated.

Because UDP is a connectionless protocol, so the stateful inspection firewall cannot match UDP packets with the status table.

The stateful inspection firewall only needs to match the first data packet against a rule, and the subsequent packets of the connection are matched directly in the state table.

The stateful inspection firewall needs to match the rules for each incoming packet.

NO.43 Which of the following routing protocols support the default route through command configuration?

BGP

IS-IS

OSPF

ICMP

NO.44 As shown in the figure, SWA, SWB, SWC, and SWD run the Rapid Spanning Tree Protocol (RSTP). Which of the following statements are true?

Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.

After a port is Configured as an edge port, the port can quickly enter the Forwarding state.

You can enable the edge port on SWD’s GEO/0/2 connected to the terminal so that this port can quickly enter the Forwarding state.

You can enable the edge port on SWC’s GE0/0/2 connected to the terminal so that this port can quickly enter the forwarding state.

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2022 Correct Practice Tests of H12-821_V1.0 Dumps with Practice Exam [Q21-Q45]

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