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CYBR 235 > Content Quiz 4 > Flashcards

Content Quiz 4 Flashcards

1
Q

What layer is the Port “Address”

A

Layer 4

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2
Q

What Layer is the IP Address?

A

Layer 3

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3
Q

What Layer is the MAC Address?

A

Layer 2

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4
Q

What command is used to show the ARP table on a Cisco Router?

A
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5
Q

What is used by IPv4 to associate IP addresses to MAC addresses?

A

ARP

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6
Q

MAC addresses are used for ___ to ___ communications over the same __________.

A

NIC
NIC
Local Network

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7
Q

True or False:
Entries in the ARP table are permanent

A

False

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8
Q

If a packet’s destination IPv4 address is on the same network, what will a device do to send the packet?

A

Search the ARP table for the destination IPv4 address

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9
Q

What does ARP mean?

A

Address Resolution Protocol

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10
Q

What are the basics functions of ARP?

A

Resolve an IP address to a MAC address
Maintain an ARP Table

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11
Q

What happens if traffic corresponding to an ARP entry stops?

A

The entry will be removed after the timer runs out

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12
Q

If no ARP table entry is found, what will a device do to send the packet?

A

It will send an ARP request

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13
Q

ARP request are received by _____ devices in the network

A

all

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14
Q

If a device can locate the IPv4 address in it’s ARP table what will it do to send the packet?

A

The corresponding MAC address is used as the destination MAC address in the frame.

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15
Q

What command is used on a Windows machine to show the full ARP table?

A

arp -a

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16
Q

What the destination IP is on a different network, what is the destination MAC address?

A

The default gateway

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17
Q

If the destination IPv4 address is on a different network, the device will do what to0 send the packet?

A

Search the ARP table for the IPv4 address of the default gateway

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18
Q

In order for data to be reassembled in the correct order, what L4 protocol must be used?

A

TCP

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19
Q

A socket comprises which information?

A

IP address
Port

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20
Q

What process is used to establish a TCP connection?

A

Three way handshake

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21
Q

What applications are used with UDP?

A

DHCP
DNS
VoIP

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22
Q

Which L4 protocol connection-oriented communication?

A

TCP

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23
Q

Which L4 protocol provides connectionless communications?

A

UDP

24
Q

What are the L4 ports 1024 to 49151 called?

A

Registered

25
Q

What is the role of the transport layer?

A
25
Q

What are the first 1023 L4 ports called?

A

Well-known

26
Q

Which applications use TCP?

A

SSH
HTTP
FTP

27
Q

What are the responsibilities of the Transport Layer?

A

Segmenting data and reassembling segments
Segmentation and multiplexing
Tracking individual conversations

28
Q

Which L4 protocol provides reliable delivery?

A

TCP

29
Q

What are the two most prominent L4 protocols?

A

TCP and UDP

30
Q

What Port number is SSH?

A

22

31
Q

What port number is FTP?

A

20, 21

32
Q

What port number is Telnet?

A

23

33
Q

What port number is DNS?

A

53

34
Q

What port number is DHCP?

A

67, 68

35
Q

What port number is HTTP?

A

80

36
Q

What port number is HTTPS?

A

443

37
Q

What is the Normal Range for VLANs?

A

1 - 1005

38
Q

What is the Extended Range for VLANs?

A

1006 - 4094

39
Q

What are the three types of VLANs?

A

Management
Default
Data

40
Q

What is the Default VLAN on Cisco devices?

A

VLAN1

41
Q

What does VLAN mean?

A

Virtual Local Area Network

42
Q

What are the benefits of VLANs?

A
43
Q

What command can be used to configure VLAN 25?

A

vlan 25

44
Q

What are the Port Types for VLANs?

A

Trunk Port
Access Port

45
Q

What command is used to set a password for entry into Privileged Exec mode?

A

enable secret {password}

46
Q

How can a password be set for the console input?

A

line console 0 –> password {pass} –> login

47
Q

What command is used to create a new hostname for your device?

A

hostname {name}

48
Q

What command is used to move your device onto the console line fro configuration?

A

line console 0

49
Q

What command is used to give VLAN 10 a name?

A
50
Q

What command can be used to copy the running configuration into the startup configuration file?

A
51
Q

What is the purpose of the no ip domain-lookup command?

A

Shut down DNS searches for mistyped commands

52
Q

What command is used to place your device into Privileged Exec
?

A

enable

53
Q

What command is used to place your device into Global Configuration Mode?

A

conf t

54
Q

What command is used to configure a VLAN trunk port?

A

switchport mode trunk

55
Q

What command can be used on a Cisco device to print the IP interface information in a concise format?

A

show ip interface brief

CYBR 235 (5 decks)

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