IP Services

Question 1

(Choose 2)
Which of the following statements best describe why WRED is useful for networks where the majority of traffic uses TCP?

1. TCP packets must have priority over UDP packets
2. TCP sources reduce traffic flow when congestion occurs
3. TCP packets cannot arrive out of sequence
4. TCP packets that are dropped must be retransmitted
5. TCP packets have large header sizes

Answer 1

2. TCP sources reduce traffic flow when congestion occurs
3. TCP packets that are dropped must be retransmitted

Question 2

What does RED and WRED address? (random early detection and weighted random early detection).

Answer 2

Tail drop.

Question 3

Which of the following is enabled on a Cisco router when you issue the ntp server command from global configuration mode?

Symmetric active mode
server mode
static client mode
broadcast client mode
authentication

Answer 3

static client mode