H12-891_V1.0 Updated Exam Dumps [2023] Practice Valid Exam Dumps Question
H12-891_V1.0 Sample with Accurate & Updated Questions
NEW QUESTION 305
Which of the following is incorrect about HTTPS?( Multiple Choice)
- A. If the HTTPS traffic contains a virus, the router cannot detect the virus directly using IPS technology
- B. HTTPS secures access to data by using SSLVPN.
- C. HTTPS protocol uses TCP port 443 by default
- D. When using HTTPS to access a website, the website cannot be accessed if the user's browser does not recognize the website's digital certificate.
Answer: D
NEW QUESTION 306
What are the following techniques for improving MPLS BGP VPN reliability?( Multiple choice question)
- A. dual home networking is configured at the access layer
- B. VPN FRR
- C. VPN GR Private IP routing between
- D. PE-CE FRR
Answer: A,B,C,D
NEW QUESTION 307
Which of the following default routing delivery methods does OSPF support?( Multi-select)
- A. Can be issued on ABR
- B. It can be issued without force
- C. Issuance can only be enforced
- D. Answer can be issued on ASBR
Answer: A,B,D
NEW QUESTION 308
What are the three ways to send IPv4 messages?
- A. Any broadcast
- B. broadcast
- C. Multicast
- D. Unicast
Answer: B,C,D
NEW QUESTION 309
The following description of Filter-Policy is correct?( Radio neck).
- A. When using a prefix list to filter routes, the table entry ip-prefix 1 deny 0000 0 less-equal
32 matches only the default route. - B. With Filter-Policy, on ASBR in OSPF, you can filter the generation of type5 LSA and type7LSA.
- C. Prefix lists can be used to filter both routes and packets.
- D. Filter-policy filters the link state information received or published, and can modify the properties of route entries.
Answer: B
NEW QUESTION 310
If the topology of the entire network does not change, but the allocation of IP segments in the router changes, ISIS only uses PRC to calculate the changed routing information, and does not recalculate all SPT
- A. False
- B. True
Answer: B
NEW QUESTION 311
When you deploy LLQ, you need to configure bandwidth parameters, what is the significance of bandwidth parameters?( Single choice questions).
- A. It represents a reference CIR to calculate the burst size D of the built-in tactician token bucket Changing parameters is an option because LLQ always takes precedence over other queues
- B. Provides a built-in policer to limit the maximum available bandwidth of a low-latency queue during congestion
- C. The parameter should be as small as possible. It means that the bandwidth is always preserved, and even if the LLQ is set, changing the parameters will reduce the available bandwidth of the interface
Answer: B
NEW QUESTION 312
The firewall has created some security zones by default, which of the following security zones does not exist by default on the firewall?( Radio).
- A. Internet
- B. DMZ
- C. Trust
- D. Local
Answer: A
NEW QUESTION 313
Mainstream Layer 2 technologies such as VXLAN, TRILL, NVGRE and MPLS
- A. False
- B. True
Answer: B
NEW QUESTION 314
When deploying the ISIS protocol in an IPv6 environment , the following statement is correct (single choice).
- A. IS-IS is configured under the finger port is ISIS silent, this interface will not send ISIS packets, but will receive ISIS packets
- B. In broadcast networks, IPv4 and The DIS priority for IPv6 can be set separately
- C. In the same broadcast network. If each router supports both IPv4 and IPv6 The DIS for IPv4 and IPv6 must be the same device
- D. By default, the DIS priority for broadcast network interfaces at Level-1 and Level-2 is 1
Answer: C
NEW QUESTION 315
What check frames can IPSG set?
- A. IP address
- B. MAC address
- C. Out of the interface
- D. VLAN ID
Answer: A,B,D
NEW QUESTION 316
The following description of the TTL in the MPLS Header is correct:
- A. Control of upstream devices for label distribution
- B. Limit LSR
- C. A TTL that acts like an IP header and is used to prevent message loops
- D. To control label distribution
Answer: C
NEW QUESTION 317
SNMPv3 defines which security features
- A. Accounting
- B. Privacy
- C. Domain checking
- D. Authentication
Answer: B,D
NEW QUESTION 318
BGP EVPN advertises external routes, which of the following routes?
- A. Type3
- B. Type1
- C. Type5
- D. Type2
- E. Type4
Answer: C
NEW QUESTION 319
In the topology shown in the figure. Running the OSPFv3 protocol over the entire network does not produce what type of LSA on R1 without external route introduction?
- A. Intra-Area-Prefix-LSA
- B. Inter-Area-RouterLSA
- C. Link-LSA
- D. Inter-Area-Prefix-LSA
Answer: B
NEW QUESTION 320
In an intra-domain MPLSVPN network, when a packet enters the public network and is forwarded, it is encapsulated with two layers of MPLS tags, and the description of the two layers of tags in the following options is incorrect
- A. The outer label of mpls VPN is assigned by the LDP protocol or statically, and the inner label is assigned by the MP-BGP neighbor of the peer
- B. on the PE device By default, the outer label is ejected before the packet is forwarded to the last hop device
- C. The outer label of MPLS VPN is called a private network label, and the inner label is called a public network label
- D. The outer label is used to correctly send packets to the appropriate VPN in
Answer: C,D
NEW QUESTION 321
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