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Comptia Security + SY0-501 > Networking > Flashcards

Networking Flashcards

1
Q

What port does netbios name services use?

A

Port 137

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2
Q

What port does NETBIOS Datagram Service use?

A

port 138

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3
Q

What port does Netbios-ssn NETBIOS Session Service use?

A

port 139

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4
Q

What ports does smb v1 use?

A

Port 139 legacy and newer versions 445

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5
Q

What port does smb v2 use?

A

port 445

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6
Q

What port does pptp use?

A

1723

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7
Q

what 2 ports does ftp use?

A

data 20

command 21

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8
Q

what is msrpc port?

A

135

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9
Q

rpc bind port?

A

111

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10
Q

imaps port?

A

993

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11
Q

pop3s port?

A

995

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12
Q

tcp/ip 4 layers

A

application
transport
internet
network access

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13
Q

ports used by ipsec?

A

500

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14
Q

what does authentication header (ah) provide in IPSEC?

A

authentication and integrity

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15
Q

what doesn’t ah provide in ipsec?

A

no encryption

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16
Q

what does encapsulating secure payload ESP provide in IPSEC?

A

confidentiality along with optional integrity checking (ICV)

17
Q

what is port security?

A

makes switch only allow certain amount of device on port

18
Q

what is 802.1x?

A

protocol for port based authentication

19
Q

what is used for authentication in 802.1x?

A

EAP-TLS

20
Q

besides port security where else is 802.1x used?

A

WIFI

21
Q

what is a supplicant in 802.1x?

A

client such as laptop

22
Q

what is the authenticator in 802.1x?

A

device such as switch or wifi access point

23
Q

what is the authentication server in 802.1x?

A

either radius or tacacs+ server

24
Q

ports used by tacacs+

A

tcp 49

25
Q

ports used by radius for authent and authorization

A

udp 1812

26
Q

ports used for radius accounting

A

udp 1813

27
Q

why is tacacs better than radius?

A

encrypts aaa whole packet not just authentication

28
Q

why is chap better than pap?

A

adds challenge response and hashing

29
Q

what port does ldap use?

A

389

Comptia Security + SY0-501 (11 decks)

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