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CCNA 200-301 Exam Latest 2024 | CCNA 200-3001 Actual Exam 2024 Questions and Correct Answers Rated A+
CCNA 200-301 Exam Latest 2024 | CCNA 200-3001 Actual Exam 2024 Questions and Correct Answers Rated A+
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CCNA 200-301 Exam Latest 2024 | CCNA200-3001 Actual Exam 2024 Questions
and Correct Answers Rated A+
What is the primary purpose of a VLAN? -ANSWER-To create a broadcast
domain; enable segmentation or isolation of broadcast traffic
Unassigned Cisco switch ports remain in which VLAN? -ANSWER-VLAN 1
Do VLANs prevent broadcast storms? -ANSWER-No, they minimize the
size and effect of the broadcast storm on neighbor switches and hosts
What are four advantages to using VLANs? -ANSWER-1. Enable access to
network services based on logical requirements
2. Network security is optimized with VLANs that enable managing and
filtering sensitive traffic from other network traffic
3. Bandwidth efficiency is accomplished through segmenting traffic into
smaller broadcast domains
4. Easier add/move/delete administration of endpoints on a network and
scalability for larger enterprise deployments
What is the Layer 2 Broadcast Destination Address? -ANSWER-
FFFF.FFFF.FFFF
What is the Layer 3 Broadcast Destination Address? -ANSWER-
255.255.255.255
What is VLAN 1 used for and can it be deleted? -ANSWER-Management
Traffic; it cannot be deleted
What is the normal VLAN range? -ANSWER-VLAN 2 - 1001
,What is the extended VLAN range? -ANSWER-VLAN 1006 - 4094
What VLANs are auto-created and cannot be deleted? -ANSWER-VLAN 1,
1002 - 1005
What VLANs cannot be pruned from a trunk? -ANSWER-VLAN 1006 -
4094
How many VLANs can be assigned to a switch access port? -ANSWER-
Only one VLAN unless you are connecting an IP phone
What commands would you use to setup a switch access port with an IP
phone? -ANSWER-interface <interface#/#>
switchport mode access
switchport access vlan #
switchport voice vlan #
Where is the switch VLAN configuration stored? -ANSWER-vlan.dat file
What commands would you use to globally create and name a VLAN? -
ANSWER-vlan #
name <name_of_vlan>
What is the default switch port mode? -ANSWER-Access port
What will switch access ports do with am Ethernet frame it receives with an
802.1q tag? -ANSWER-It will discard the packet without learning the
source MAC address
What command would you use to configure a range of switch ports? -
ANSWER-interface range gigabitethernet#/# - #
What command lists all VLANs configured on a switch? -ANSWER-show
vlan or show vlan brief
,What command is used to display the switch ports assigned to a single
VLAN? -ANSWER-show vlan id <vlan>
When are data messages forwarded to the default gateway? -ANSWER-
When the destination subnet is on a different subnet than the endpoint
Does the Cisco default switch configuration have an IP default gateway? -
ANSWER-No
What command is used to create an IP default gateway? -ANSWER-ip
default-gateway <ip_address>
What is the primary purpose of a switch? -ANSWER-To make forwarding
decisions based on destination MAC address
List the network services provided by switches -ANSWER-- Only read
Ethernet frame headers and forward traffic
- Create and maintain the MAC address table
- Create separate collision domains per switch port
- Create separate broadcast domains per VLAN
What method was used for detecting Ethernet collisions on older hubs and
bridges? -ANSWER-Carrier Sense Multiple Access Collision Detection
(CSMA/CD)
How many separate MAC address table does a switch create? -ANSWER-
A switch creates a separate MAC address table for each configured VLAN
What command lists the contents of the MAC address table for a switch? -
ANSWER-show mac address-table
When does a switch begin MAC address learning? -ANSWER-When a
switch is first started and connected hosts start sending frames? Also
triggered when the aging time expires for an address
, What is the default time that a switch removes MAC address table entries?
-ANSWER-300 seconds
How do you disable MAC address table aging? -ANSWER-Configure the
MAC aging timer to zero
What are the steps when a host sends data to a server on the same VLAN
for the first time? -ANSWER-1. Switch adds the source MAC address of
incoming frame if it is not listed in the MAC address table
2. Switch does a MAC address table lookup for the destination MAC
address
3. Switch floods a frame using FFFF.FFFF.FFFF as destination MAC
address out all switch ports except the port where the source MAC address
was learned
4. Server wit the assigned MAC address responds with a frame that lists
the MAC address
5. Switch updates the MAC address table with the MAC address of the
server; That is the destination MAC address for frames sent from the host
6. Switch forwards the frames from the host to the server based on the
switch port assigned to the server
What is Cut-Through Switching? -ANSWER-It is a technique that optimizes
performance by examing only the first 6 bytes (destination MAC address) of
an Ethernet frame before making a forwarding decision. The switch does a
MAC address table lookup for the destination MAC address and forwards
the frame.
What is the advantage of Cut-Through Switching? -ANSWER-The
forwarding decision is made before all of the frame arrives and thereby
minimizes latency
What is Store-and-Forward Switching? -ANSWER-Traditional switching
where the frame is not forwarded until all of the frame has arrived. The
switch copies the frame to memory before examining the destination MAC
address and forwarding the frame.
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