Online Access Free Huawei.H12-261-ENU.v2022-02-15.q168 Practice Test (Page 5)

H12-261-ENU Exam Question 16

Which of the following statements are NOT true regarding the TCP sliding window? (Multiple Choice)

A.The size of initial window is advertised by the sender.

B.The sender need not transmit a full window's worth of data.

C.If the retransmission timer expires but the sender has not received the acknowledgement, it will retransmit the unacknowledged data.

D.The size of the sliding window can only increase or stay the same.

E.TCP sliding window allows the transmission of multiple frames before waiting for an acknowledgement.

H12-261-ENU Exam Question 17

Which of the following routing tools is unique to B6P?

A.Route-policy

B.IP-prefix

C.ACL

D.AS-path-filter

H12-261-ENU Exam Question 18

Regarding the Stub area and the NSSA area of the OSPF protocol, which of the following statement is incorrect?

A.Both the Stub area and the NSSA area can inject Type 3 LSAs.

B.Type 5 LSA is not allowed in the Stub area, and Type 5 LSA is allowed in the NSSA area.

C.Both the Stub area and the NSSA area are not allowed to inject Type 4 LSA.

D.Type7 LSA is not allowed in the Stub area, and Type 7 LSA is allowed in the NSSA area.

H12-261-ENU Exam Question 19

As shown in the figure, the AS100 has two paths to the AS400. By default, the best route is transmitted from the AS200. It is known that the path to the AS400 through the AS300 is better. Therefore, the following configuration is performed on the R2. After the configuration is complete, the optimal route is not changed. Which of the following operations can make the configuration take effect?
[R2] ip as-path-filter 1 permit ^400$
R2] route-policy med permit node 10
r2-route-policy] if-match as-path-filter 1
Ir2-route-policy] apply cost 20

A.Configure deterministic-med in the BGP process of R1.

B.Configure compare- different-as-med in the BGP process of R2.

C.Configure compare- different-as-med in the BGP process of R1.

D.Configure deterministic-med in the BGP process of R2.

H12-261-ENU Exam Question 20

Which of the following statements are correct about IPsec VPN? (Multiple Choice)

A.Aggressive mode can support NAT traversal, while main mode does not support NAT traversal.

B.An OSPF neighbor relationship can be established between two routers through an IPsec VPN tunnel, and the intranet is exchanged.

C.Two routers establish IPsec VPN through the aggressive mode, then only two packets are exchanged between the two devices to establish a tunnel.

D.Two routers establish IPsec VPN through the main mode. Starting from the fifth message (inclusive), the payload data is often encrypted.

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