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Networking > Module 9 Practice > Flashcards

Module 9 Practice Flashcards

1
Q

What destination MAC address would be included in a frame sent from a source device to a destination device on the same local network?

A

The MAC address of the destination device.

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2
Q

What destination MAC address would be included in a frame sent from a source device to a destination device on a remote local network?

A

The MAC address of the local router interface.

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2
Q

What two protocols are used to determine the MAC address of a known destination device IP address (IPv4 and IPv6)?

A
  • ARP (IPv4)
    -ND (IPv6)
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2
Q

What two functions are provided by ARP? (Choose two.)

A
  • Maintains a table of IPv4 to MAC address mappings
  • Resolves IPv4 addresses to MAC addresses
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3
Q

Where is the ARP table stored on a device?

A

RAM

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3
Q

Which statement is true about ARP?

A

ARP entries are cached temporarily.

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3
Q

Which command could be used on a Cisco router to view its ARP table?

A

show ip arp

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3
Q

Which two ICMPv6 messages are used in SLAAC?

A
  • Router Advertisement
  • Router Solicitation
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4
Q

What is an attack using ARP?

A

ARP poisoning

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4
Q

Which two ICMPv6 messages are used in to determine the MAC address of a known IPv6 address?

A
  • Neighbor Advertisement
  • Neighbor Solicitation
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5
Q

To what type of address are ICMPv6 neighbor solicitation messages sent?

A

Multicast

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6
Q

Which destination address is used in an ARP request frame?

A

FFFF.FFFF.FFFF

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6
Q

Which two ICMPv6 messages are used during the Ethernet MAC address resolution process? (Choose two.)

A
  • neighbor solicitation
  • neighbor advertisement
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7
Q

What type of information is contained in an ARP table?

A

IP address to MAC address mappings

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7
Q

What addresses are mapped by ARP?

A

destination MAC address to a destination IPv4 address

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7
Q

Which router component holds the routing table, ARP cache, and running configuration file?

A

RAM

8
Q

What will a Layer 2 switch do when the destination MAC address of a received frame is not in the MAC table?

A

It forwards the frame out of all ports except for the port at which the frame was received.

8
Q

A PC is configured to obtain an IP address automatically from network 192.168.1.0/24. The network administrator issues the arp –a command and notices an entry of 192.168.1.255 ff-ff-ff-ff-ff-ff. Which statement describes this entry?

A

This is a static map entry.

9
Q

A cybersecurity analyst believes an attacker is spoofing the MAC address of the default gateway to perform a man-in-the-middle attack. Which command should the analyst use to view the MAC address a host is using to reach the default gateway?

A

arp -a

9
Q

What is the purpose of ARP in an IPv4 network?

A

to obtain a specific MAC address when an IP address is known

10
Q

What is a function of ARP?

A

resolving IPv4 addresses to MAC addresses

11
Q

Which action is taken by a Layer 2 switch when it receives a Layer 2 broadcast frame?

A

It sends the frame to all ports except the port on which it received the frame.

12
Q

When an IP packet is sent to a host on a remote network, what information is provided by ARP?

A

the MAC address of the router interface closest to the sending host

13
Q

How does the ARP process use an IP address?

A

to determine the MAC address of a device on the same network

14
Q

The ARP table in a switch maps which two types of address together?

A

Layer 3 address to a Layer 2 address

15
Q

What is one function of the ARP protocol?

A

resolving an IPv4 address to a MAC address

Networking (16 decks)

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