(1) LAN Switching Technologies Flashcards
In PVST, the BID also includes the _____.
VID (which is added into the Priority)
In STP, non-designated ports are in the _____ state by default.
Blocking
In STP, one _____ per broadcast domain.
Root Bridge
In STP, one _____ per non-root bridge.
Root Port
In STP, one _____ per segment.
Designated Port
In STP, root bridge is given to the switch with the _____ BID.
lowest
In STP, the BID consists of the switch’s _____ and _____.
Priority, MAC address
In STP, what is the default forward-time (length of forward delays before advancing from Listening and/or Learning states)?
15 seconds
In STP, what is the default hello-timer (rate at which BPDUs are sent out)?
2 seconds
In STP, what is the default max-age (Blocking state timer waiting for BPDUs)?
20 seconds
In STP, what is the revised Cost for 1 Gbps?
4
previously 1
In STP, what is the revised Cost for 10 Gbps?
2
previously 1
In STP, what is the revised Cost for 10 Mbps?
100
previously 100
In STP, what is the revised Cost for 100 Mbps?
19
previously 10
What are the Cisco proprietary versions of spanning tree?
PVST+ and Rapid PVST+
What are the four active port roles in RSTP?
Root, Designated, Alternate, and Backup
What are the four active port states in STP?
Blocking, Listening, Learning, and Forwarding
What are the three active port states in RSTP?
Discarding, Learning, and Forwarding
What are the three roles of 802.1x?
Client/supplicant, Switch/authenticator,
and Authentication Server/RADIUS
What are the two active port roles in STP?
Root and Designated
What does IEEE recommend as the maximum STP diameter?
7
What is the Cisco proprietary version of link aggregation?
PAGP
What is the Cisco proprietary version of VLAN tagging for Ethernet frames?
ISL
What is the default bridge priority for STP?
32,768
What is the default STP mode on Cisco devices?
PVST+
What is the default VLAN?
1
What is the extended range of VLANs?
1006 - 4094
What is the normal range of VLANs?
1 - 1005
What numbers in the normal range of VLANs are reserved?
1 and 1002 - 1005
What three things must match for EtherChannel?
Speed, Duplex, and VLAN
What three things must match for VTP?
Version, Management Domain, and Password (if used)
Where are the configurations for extended VLANs stored?
running-config (in RAM)
Where are the configurations for normal VLANs stored?
vlan.dat (in flash)
