Q29Network FundamentalsMultiple answers
Which two VLAN IDs identify a default VLAN? *(Choose two.)*
Select 2 answers.
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15
B & C are correct
Deafult Vlans
1
1002
1003
1004
1005
4
default vlans:
1
1002
1003
1004
1005
just think 1,2,3,4 and 5.
then arrange this series like this:
1, 1002,1003,1004,1005
it's always 1, 1 + 002, 1+ 003, 1+ 004, 1 +005
3
BC is correct .....VLAN 1 is a system default VLAN, you can use this VLAN but you cannot delete it. By default VLAN 1 is used for every port on the switch.
Standard VLAN range from 1002-1005 it’s Cisco default for FDDI and Token Ring. You cannot delete VLANs 1002-1005. mostly we don’t use VLAN in this range
3
show vlan
this command can help you view the default vlans
1
1002
1003
1004
1005
2
I always see 0 as a default but I mix it up with priority. Its a bit of a trick question to watch for
1
B and C are right
1
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4
Fa0/5, Fa0/6, Fa0/7, Fa0/8
Fa0/9, Fa0/10, Fa0/11, Fa0/12
Fa0/13, Fa0/14, Fa0/15, Fa0/16
Fa0/17, Fa0/18, Fa0/19, Fa0/20
Fa0/21, Fa0/22, Fa0/23, Fa0/24
Gig0/1, Gig0/2
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active
A, B 1
Selected Answer: AB
VLAN 1
This is the default VLAN on all Cisco switches.
All switch ports are assigned to VLAN 1 by default.
It is used for:
Default traffic
Control protocols (CDP, STP, etc.)🔹 VLAN 0
VLAN 0 is used to carry priority-tagged frames
It indicates:
The frame is untagged for VLAN membership
But can still carry 802.1Q priority information
It is treated as part of the default VLAN behavior