Online Access Free H12-261_V3.0-ENU Exam Questions

ping -a X -c Y -s Z -vpn-instance M 10.5.2, what is the meaning of this command? (Multiple choice)

• A.The source IP address of the ping packet is X
• B.The ICMP request of the ping, the packet size is Z (excluding IP and ICMP header)
• C.The ping sends Y ICMP requests
• D.The ping packet belongs to VPN instance M

Regarding the Route Policy, which of the following description is correct? (Multiple choice)

• A.If more than one node is defined in the Route-policy, at least one of the nodes should have a matching mode of permit.
• B.The entry permit:0 less-equal 128 indicates that all IPv6 routes are allowed to pass.
• C.The advanced ACL can be applied to the route-policy to filter routes.
• D.Route-Policy can only filter the default route.

Regarding the sliding window of TCP, which of the following descriptions are wrong? (Multiple Choice)

• A.TCP sliding window allows multiple packets to be sent before receiving an acknowledgment
• B.The sliding window size can only be increased or left unchanged
• C.After the retransmission timer expires, the sender has not received the acknowledgement and will retransmit the unconfirmed data.
• D.The sender does not need to transmit a complete window size message.
• E.The sender announces the initial window size

There is the concept of FEC-Forwarding Equivalence Class in MPLS, so on which of the following standards cannot FEC be allocated based?

• A.Destination Address
• B.Fragment offset
• C.Application Protocol
• D.Class of Service

Which of the following description about the address resolution function of NDP is wrong?

• A.When sending a neighbor solicitation message, the source address must be the link-local address of the local interface
• B.Address resolution realizes the function from IPv6 address resolution to link layer address
• C.Two ICMPv6 messages, neighbor solicitation and neighbor advertisement, are used in the address resolution process
• D.When sending a neighbor solicitation message, the destination address must be the neighbor's solicited node multicast address