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Pass the Huawei HCIP-Datacom H12-821_V1.0 Questions and answers with Dumpstech

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Viewing questions 71-80 out of questions

Questions # 71:

Hackers often obtain the login permissions of system administrators through various attacks.

Which of the following measures can be taken to enhance the security of administrator accounts? (Select all that apply)

Options:

Periodically check whether unnecessary administrator accounts exist in the system. If such accounts exist, delete them to reduce the attack surface.

Encrypt passwords before transferring them. Whenever possible, transfer passwords by email.

Assign exclusive accounts for administrators with different maintenance roles to avoid account sharing.

To ensure security and make the password easier to remember, you can set the password to be valid for a long time.

Questions # 72:

Compared with STP, RSTP defines the different port states. Which of the following statements regarding discarding and learning states are true?

Options:

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.

Questions # 73:

Which of the following statements are true about VRRP Advertisement packets?

Options:

VRRP Advertisement packets contain the priority of the VRRP router.

VRRP Advertisement packets support the authentication function.

The VRRP protocol number is 112.

VRRP Advertisement packets are broadcast.

Questions # 74:

During routine check, the administrator of an enterprise finds that some switch ports are not in use. Therefore, the administrator logs in to the device and manually disables the ports to further ensure device security.

Options:

TRUE

FALSE

Questions # 75:

When configuring BFD to detect link faults on devices at both ends, an enterprise administrator incorrectly sets parameters to different values on the two devices, as shown in the figure. Which of the following is the interval for sending packets on R1 after negotiation?

Question # 75

Options:

150 ms

100 ms

The negotiation fails and the interval changes to 0.

200 ms

Questions # 76:

A company has a stack consisting of three switches that are running properly. The master switch restarts due to a fault. Given this, which of the following statements are true?

Options:

Before the restart of the original master switch is complete, the original slave switch is specified as the new standby switch.

After the original master switch restarts, it becomes the new master switch.

After the original master switch restarts, the original standby switch becomes a new slave switch.

Before the restart of the original master switch is complete, the original standby switch becomes the new master switch.

Questions # 77:

Which of the following statements is false about the default processing of the next hop address when a BGP device advertises a route?

Options:

When advertising a locally originated route to an IBGP peer, a BGP device sets the next hop address to the IP address of its interface connected to the peer.

When advertising a non-labeled route received from an EBGP peer to an IBGP peer, a BGP device changes the next hop address to the IP address of its interface connected to the IBGP peer.

When advertising a route to an EBGP peer, a BGP device sets the next hop address to the IP address of its interface connected to the peer.

A BGP device does not change the next hop address of a route if the route is received from an IBGP peer and is to be sent to another IBGP peer.

Questions # 78:

According to BGP route selection rules, the route with the higher Local_Pref is preferred.

Options:

TRUE

FALSE

Questions # 79:

On an OSPF network, two directly connected routers fail to establish a neighbor relationship. The display ospf error command is run on one of the routers, and the command output is as follows:

Question # 79

Based on the command output, which of the following is the cause of the problem?

Options:

OSPF Auth Types are the same.

OSPF router IDs are the same.

OSPF area IDs are the same.

OSPF Auth Data values are the same.

Questions # 80:

Border Gateway Protocol (BGP) is a distance-vector routing protocol that implements route reachability between ASs. Which of the following protocol port numbers is used by BGP to establish BGP sessions?

Options:

UDP 170

TCP 179

TCP 170

UDP 179

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