Switching Exam
Switching Exam Quiz
Test your knowledge on Layer 2 and Layer 3 switching concepts with our comprehensive quiz. This quiz covers a range of topics including VLANs, DTP modes, spanning tree protocols, and more.
Key Features:
- 72 engaging questions
- Multiple choice and checkbox formats
- Instant scoring and feedback
How many types of CAM are there and which ones?
Binary CAM (0 and 1's)
Proprietary CAM (0 , 2)
Temary CAM (0, 1s, and random)
Unicast CAM
True or False?: Layer 3 switches be used for inter-vlan routing?
True
False
True or False?: You can delete vlan 1
True
False
What is the purpose of Vlan trunks?
Allows vlans to be transparent on various switches
It allows different vlans to be carried on the same physical link
Routes unicast traffic
Allows broadcast traffic
True or False?: True or False? All switch ports and native VLAN for 802.1Q trunks are assigned to VLAN1
True
False
What's the command to verify a trunk?
Show int trunk vlan port
Show int trunk vlan
Show int trunk
show int<port>trunk
What DTP mode is default for switchports?
Desirable
Auto
Nonegotiate
Off
What is the "desirable" dtp mode intended for?
Attempts to be a trunk port
Turns off trunking
Turns on trunking
Trunks when port is on
What is the "On" dtp mode intended for?
Turns STP and DTP on permanently
Permanent Trunking Mode
Turns trunking on for 50 seconds
Turns trunking on for Layer 3 switches
What DTP mode turns off DTP
Off
Auto
Nonegotiate
Desirable
True or False?: Best Practice is to set all required trunks to “ON” and “NONEGOTIATE”
True
False
True or False?Operational mode shows what has been configured and Administrative mode shows what is currently operating on the switch
True
False
What VLAN groups are reserved?
2-1001
0, 4095
1002-1005
1006-4095
True of False?: Vlans between 1002-1005 can be deleted
True
False
True or False?: Vlans between 2-1001 can be modified, deleted or created
True
False
True or False? Vlans 1006-4094 are extended vlans used for ethernet vlans only
True
False
What is the default vtp mode on all switches?
VTP Version 3
VTP Version 2
VTP Version 1
VTP Version 4
True or False?: VTP Version 2 does not support normal range vlans
True
False
True or False?: VTP Version 3 automatically learns a domain name
True
False
What root path mode is the default?
Long-Mode
Short-Mode
Medium-Mode
How many bits does long mode use and at what speed?
128 bit, 20Tbps
16 Bit, 80 Tbps
256 bit, 90Tbps
32 bit, 20 Tbps
True or False?: When the network has converged there is one spanning tree per network
True
False
How many root switches can be in a network?
3
4
5
1
How many root ports can there be per non root switch?
4
3
1
6
What do designated ports do?
Block Links
Forward Data
Trunk
Encapsulate Data
True or False?: Alternate ports can be known as blocked ports too
True
False
True or False?: The switch with the smallet BID value will become root switch
How long does it take for a port to enter forwarding state?
1 minute
30 sec
50 sec
20 sec
What are edge ports?
Ports that have end devices connected
Ports that block trunks
Ports that forward data
Ports that grant users the correct vlans
True or False?: A shared link is a port in half-duplex mode connecting a hub to a switch
True
False
True or False?: A point-to-point link a port in full-duplex mode connecting from one switch to another switch or from a device to a switch
True
False
True or False? CST is default for 802.1D-2004(STP)
True
False
Bridge Priority becomes of multiple of?
32,645
38,000
2034
4096
What is the default switch priority?
12,000
32,768
32,679
32,762
What is the default spanning-tree vlan port priority?
128
32
64
256
Forwarding of network traffic from a Layer 2 perspective uses what information?
Source IP Address
Destination IP address
Source MAC Address
Destination MAC Address
Data Protocol
What type of network device helps reduce the size of a collision domain?
Hub
Switch
Load Balancer
Router
Forwarding of network traffic from a Layer 3 perspective uses what information?
Source IP Address
Destination IP Address
Source MAC Address
Destination MAC Address
Data protocol
What type of network device helps reduce the size of a broadcast domain?
Hub
Switch
Load Balancer
Router
The __________ can be directly correlated to the MAC address table
Adjacency Table
CAM
TCAM
Routing Table
A ______________ forwarding architecture provides increase port density and forwarding scalability
Centralized
Clustered
Software
Distributed
Multi Select: CEF is compromised of which components?
Routing Information Base
Forwarding Information Base
Label Information Base
Adjaceny Table
Mac Address Table
How many different types of BPDU types are there?
1
2
3
4
What attributes are used to elect a root bridge?
Switch port priority
Bridge priority
Switch serial number
Path cost
The original 802.1D specs assigns what value to a 1 Gbps interface
1
2
4
19
All of the ports on a root bridge are assigned what role?
Root Port
Designated Port
Superior Port
Master Port
How long does a port stays in the listening state?
2 sec
5 sec
10 sec
15 sec
Upon receipt of a configuration BPDU with the topology change flag set, how do the downstream switches react?
Moving all ports to a blocking state on all switches
Flushing out all MAC addresses from the MAC address table
Temporarily moving all non-root ports to a listening state
Flushing out all old MAC addresses from the MAC address table
Updating the Topology Change version flag on the local switch database
True or False?: In a large Layer 2 switch topology, the infrastructure must fully converge before any packets can be forwarded
True
False
True or False?: In a large Layer 2 switch topology that is running RSTP, the infrastructure must fully converge before any packets can be forwarded
True
False
True or False?: The advertised path cost includes the adverting link's port cost as part of the configuration BPDU advertisement
True
False
True of False?: the switch port with the lower STP port priority is more preferred
True
False
What happens to a switch port when a BPDU is received on it when BPDU guard is enabled on that port?
A message syslog is generated, and the BPDU is filtered
A syslog message is not generated, and the BPDU is filtered
A syslog message is generated, and the port is sent back to a listening state
A syslog message is generated, and the port is shut down
Enabling root guard on a switch does what?
Upon receipt of an inferior BPDU, the port is shut down
Upon receipt of a superior BPDU, the port is shut down
Upon receipt of an inferior BPDU, the BPDU is filtered
When the root port is shut down, only authorized designated ports can become root ports
UDLD solves the problem of________.
Time for Layer 2 convergence
A cable sending traffic in only one direction
Corrupt BPDU packets
Flapping network links
Which of the following issues does MST solve? (Choose 2)
Enables traffic load balancing for specific VLANs
Reduces the CPU and memory resources needed for environments with large numbers of VLANs
Overcomes MAC address table scaling imitations for environments with large number of devices
Detects issues with cabling that transmits data in one direction
Prevents unauthorized switches from attaching to the Layer 2 domain
With MST, VLANs are directly associated with__________.
Areas
Regions
Instances
Switches
What do CST and 802.1D have in common
They support only 1 topology
They support multiple topologies
They allow for load balancing of traffic across different VLANs
They provide switch authentication so that inter-switch connectivity occur
True or False?: The MST root bridge advertises the VLAN-to-instance mapping to all other MST switches
True
False
True or False?: The MST configuration version is locally significant
True
False
True or False?: The MST topology can be tuned for root bridge placement, just like PVST+ and RSTP
True
False
MST regions can interact with PVST+/RSTP in which of the following ways (Choose 2)
The MST region is the root bridge for all VLANs
The MST region is the root bridge for some VLANs
The PVST+/RSTP topology is the root bridge for all VLANs
The PVST+/RSTP topology is the root bridge for some VLANs
Which of the following is not a switch role for VTP?
Client
Server
Proxy
Transparent
Off
True or False?: The VTP summary advertisement includes the VLANs that were recently added, deleted or modified
True
False
True or False?: There can only be one switch in a VTP domain that has the server role
True
False
Which of the following is a common disastrous VTP problem with moving a switch from one location to another?
The domain certificate must be deleted and re-installed on the VTP server
The moved switch sends an update to the VTP server and deleted VLANs
The moved switches interrupts the VTP
The moved switch causes an STP forwarding loop
True or False?: If two switches are connected and configured with the command "switchport mode dynamic auto", the switches will establish a trunk link
True
False
The command __________ prevents DTP from communicating and agreeing upon a link being a trunk port
Switchport dtp disable
Switchport disable dtp
Switchport negotiate
No switchport mode trunk handshake
Server
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