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ICND2 (CCNA) > ICND2 - Part 1 Quiz > Flashcards

ICND2 - Part 1 Quiz Flashcards

1
Q

If a switch has 3 VLANs with 2 computers each how many broadcast domains exist?

a. 1
b. 2
c. 3
d. 6

A

c. 3

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2
Q

VLAN tagging is the process of:

a. Adding a VLAN ID field to the frame header to help identify what VLAN the frame belongs to.
b. Adding a VLAN ID field to the frame trailer to help identify what VLAN the frame belongs to.
c. The process of tagging a frame with a VLAN on an access port so the switch knows what VLAN it belongs to.
d. Giving a frame a VLAN ID based on the MAC table.

A

a. Adding a VLAN ID field to the frame header to help identify what VLAN the frame belongs to.

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3
Q

If 2 VLANs exist on a switch, what is needed to communicate between them? (Choose 2)

a. Another switch.
b. A bridge.
c. A router.
d. Replace the switch with a multilayer switch.

A

c. A router.

d. Replace the switch with a multilayer switch.

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4
Q

What command enables routing on a multilayer switch?

a. Router ospf 1
b. Router eigrp 10
c. IP route
d. IP routing

A

d. IP routing

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5
Q

What mode does a switch default to per interface?

a. Access
b. Trunk
c. Desirable
d. Auto

A

d. Auto

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6
Q

If I wanted to see all VLANs assigned to access ports what command would I use?

a. Show vlan brief
b. Show interfaces trunk
c. Show ip interface brief
d. Show run

A

a. Show vlan brief

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7
Q

What are the three modes of VTP? (Choose 3)

a. Client
b. Host
c. Server
d. Transparent
e. Invisible

A

a. Client
c. Server
d. Transparent

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8
Q

What is the purpose of STP?

a. To maintain a loop free layer 3 network.
b. To maintain a loop free hub network.
c. To maintain a loop free layer 2 switched network.
d. To maintain a loop free layer 2 routed network.

A

c. To maintain a loop free layer 2 switched network.

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9
Q

What are three things STP eliminates? (Choose 3)

a. MAC table instability
b. Split-horizon
c. Poison-Reverse
d. Broadcast Storms
e. Collisions
f. Multiple frame transmission

A

a. MAC table instability
d. Broadcast Storms
f. Multiple frame transmission

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10
Q

What is first used in the BID to elect the root bridge?

a. Priority
b. MAC Address
c. Port number
d. Bandwidth

A

a. Priority

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11
Q

Switches exchange information in STP with what?

a. BDU
b. PDU
c. BPDU
d. BPU

A

c. BPDU

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12
Q

The root switch has all ports in a forwarding state because they are root ports.

a. True
b. False

A

b. False

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13
Q

A designated port is a switchport that has advertised the lowest cost hello onto a LAN segment.

a. True
b. False

A

a. True

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14
Q

The hello timer on a switch is every how many seconds?

a. 1
b. 2
c. 4
d. 15

A

b. 2

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15
Q

In STP, the listening state:

a. Does not forward frames.
b. Keeps old stale (unused) MAC table entries.
c. Forwards frames.
d. Removes all MAC table entries as they could be causing loops.

A

a. Does not forward frames.

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16
Q

Rapid-STP and 802.1D STP are able to be used together.

a. True
b. False

A

a. True

17
Q
  1. The discarding state in RSTP is called the ______ state in STP?

a. Disabled
b. Shutdown
c. Down
d. Blocking

A

d. Blocking

18
Q

What is the purpose of BPDU guard?

a. To check for BPDUs on a port and send an alert.
b. To check for BPDUs on a port and disable the port if detected.
c. To check for BPDUs on a port and enable the port is detected.
d. To check for BPDUs on a port and shut the port down.

A

b. To check for BPDUs on a port and disable the port if detected.

19
Q

What is EtherChannel?

a. allows two neighboring switches to treat two parallel links between each other as a single logical link.
b. allows two neighboring switches to treat multiple parallel links between each other as a multi link
c. Allows two neighboring switches to treat multiple parallel links between each other as a single logical link.
d. Allows two neighboring switches to treat multiple trunk links between each other as a single logical link.

A

c. Allows two neighboring switches to treat multiple parallel links between each other as a single logical link.

20
Q

The channel-group number on the distant switch must match with the first switch.

a. True
b. False

A

b. False

21
Q

A channel-group mode desirable indicates which EtherChannel protocol?

a. LACP
b. PagP
c. On

A

b. PagP

22
Q

How many root ports does a switch have if it has 5 VLANs with PVST?

a. 1
b. 5
c. 10
d. 2

A

b. 5

23
Q

What occurs if the speed setting is changed on both interfaces and they do not match?

a. The interface operates at the slowest speed configured.
b. The interface goes into a shutdown state.
c. The interface goes into a down state.
d. The interface remains up but unable to transmit traffic.

A

c. The interface goes into a down state.

24
Q

Why would a switch send a frame from VLAN1 to another switch yet arrive destined for VLAN2 if no layer 3 device is involved?

a. The switch is multilayer capable.
b. There is a native vlan mismatch.
c. This is not a possible situation.
d. The trunk link is set to permit both VLANs.

A

b. There is a native vlan mismatch.

25
Q

What is VTP?

a. A protocol to share VLANs across access ports to all switches.
b. A protocol to share VLANs across trunk ports to all switches.
c. A protocol that shares VLANs based on which switches are part of the VTP domain.
d. A protocol that shares VLANs based on the username and password set on each switch.

A

c. A protocol that shares VLANs based on which switches are part of the VTP domain.

26
Q

What mode in VTP does not participate in the VTP process?

a. Server
b. Client
c. Invisible
d. Host
e. Transparent

A

e. Transparent

27
Q

What must be the same in VTP in order to use VTP?

a. Hostnames and passwords
b. Domains and passwords
c. Usernames and passwords
d. Domains and usernames

A

b. Domains and passwords

28
Q

Where is the VLAN configuration stored?

a. NVRAM
b. Running-Configuration
c. Startup-Configuration
d. NVROM
e. Vlan.dat

A

e. Vlan.dat

29
Q

What must be implemented to use 802.1x?

a. A AAA server.
b. A switch with a RADIUS configuration.
c. A switch with a TACACS+ configuration.
d. A token to log onto the devices using 802.1x

A

a. A AAA server.

30
Q
  1. Why is EAP needed?

a. 802.1x is a layer 2 protocol and needs to be in place from the supplicant to the authenticator.
b. 802.1x is a layer 3 protocol and needs to be in place from the supplicant all the way to the server.
c. Only TACACS+ needs EAP as it is a TCP protocol utilizing layer 2.

A

a. 802.1x is a layer 2 protocol and needs to be in place from the supplicant to the authenticator.

31
Q

What ports does RADIUS use? (Choose 2)

a. 49
b. 1645
c. 1813
d. 1812
e. 94

A

c. 1813

d. 1812

32
Q

Why is DHCP snooping implemented?

a. Helps eliminate false DHCP servers from taking over user traffic by acting as a DHCP server.
b. Helps eliminate unnecessary DHCP traffic.
c. Helps eliminate DORA messages coming from other networks.
d. Helps eliminate false DHCP messages due to someone spamming the DHCP server.

A

a. Helps eliminate false DHCP servers from taking over user traffic by acting as a DHCP server.

33
Q

How is DHCP Snooping enabled? (Choose 2)

a. Per user
b. Per port
c. Per VLAN
d. Per MAC

A

b. Per port

c. Per VLAN

34
Q

Why is switch stacking beneficial?

a. It enables a stack of switches to share the same power source for redundancy.
b. It enables a stack of switches to be cross connected with crossover cables for increased redundancy.
c. It enables a stack of switches to act as one switch with all management done from one switch.
d. It enables a stack of switches to act as one switch for redundancy.

A

c. It enables a stack of switches to act as one switch with all management done from one switch.

ICND2 (CCNA) (11 decks)

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