Switch A is newly configured. All VLANs are present in the VLAN database. The IP phone and
PC A on Gi0/1 must be configured for the appropriate VLANs to establish connectivity between
the PCs. Which command set fulfills the requirement?
A. SwitchA(config-if)#switchport
mode access
SwitchA(config-if)#switchport access vlan 50
SwitchA(config-if)#switchport voice vlan 51
B. SwitchA(config-if)#switchport mode access
SwitchA(config-if)#switchport access vlan 50
SwitchA(config-if)#switchport voice vlan untagged
C. SwitchA(config-if)#switchport
mode trunk
SwitchA(config-if)#switchport trunk allowed vlan add 50, 51
SwitchA(config-if)#switchport voice vlan dot1p
D. SwitchA(config-if)#switchport mode trunk
SwitchA(config-if)#switchport trunk allowed vlan 50, 51
SwitchA(config-if)#switchport qos trust cos
Answer:_A_Question_50'>Answer:
A
Question 50
Which QoS traffic handling technique retains excess packets in a queue and reschedules these
packets for later transmission when the configured maximum bandwidth has been surpassed?
A.
traffic shaping
B. traffic policing
C. weighted random early detection
D.
traffic prioritization
Answer:
A
Explanation
+
Shaping
: retains excess packets in a queue and then schedules the excess for later transmission
over increments of time. When traffic reaches the maximum configured rate,
additional packets
are queued instead of being dropped to proceed later. Traffic shaping is applicable only on
outbound interfaces as buffering and queuing happens only on outbound interfaces. Shaping is
configured in bits per second.
Question 51
Refer to the exhibit.
R1 learns all routes via OSPF. Which command configures a backup static route on R1
to reach
the 192.168.20.0/24 network via R3?
A. R1(config)#ip route 192.168.20.0 255.255.255.0 192.168.30.2 111
B. R1(config)#ip route 192.168.20.0 255.255.255.0 192.168.30.2 90
C. R1(config)#ip route 192.168.20.0 255.255.0.0 192.168.30.2
D. R1(config)#ip route 192.168.20.0 255.255.255.0 192.168.30.2
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