Question 177
UDP does not guarantee the reliability of data transmission. It does not provide functions such as packet sorting and flow control. It is suitable for traffic with low transmission reliability requirements but high transmission speed and delay.
Question 178
An AR2200 router learns the route entries to the same network through OSPF and RIPv2. The cost of the route learned through OSPF is 4882. The number of hops learned through RIPv2 is 4. The routing table of the router will have ().
Question 179
UDP is connectionless oriented, which of the following must be used in order to ensure reliability?
Question 180
On Huawei devices, administrators can advertise a subnet in RIPv2 because RIPv2 supports VLSM.
Question 181
If two IPsec VPN peers want to use both AH and ESP to ensure secure communication, how many SAs (Security Associations) do the two peers need to build?