Technology & Tools . Flashcards Preview

CompTIA Sec+ SY0-501 > Technology & Tools . > Flashcards

Flashcards in Technology & Tools . Deck (72)
Loading flashcards...
1

What are the 7 layers of the OSI Model?

7.Application
6.Presentation
5.Session
4.Transport
3.Network
2.Data Link
1. Physical

Verbiage To Remember (Going Down)
- All People Seem To Need Data Processing.

Verbiage To Remember (Going Up)
- Please Do Not Transport Santa’s Presentation Appliances.

2

This layer of the OSI Model...

Encodes data into bits for transmission over wire, fiber, or radio.

Physical Layer

3

This layer of the OSI Model...

Formats packets for transmission; Ethernet, ARP, MAC addresses

Data Link Layer

4

This layer of the OSI Model...

Routes packets over the network; IP, ICMP, BGP, IPSec, NAT.

Network Layer

5

This layer of the OSI Model...

Managed Connection integrity; TCP, UDP, SSL, TLS.

Transport Layer

6

This layer of the OSI Model...

Establishes, maintains, and terminates sessions.

Session Layer

7

This layer of the OSI Model...

Transforms user-friendly data into machine-friendly data; encryption.

Presentation Layer

8

This layer of the OSI Model...

Serves as the point of integration for user applications with the network.

Application Layer

9

______ is a connection-oriented protocol, while ______ is a connectionless protocol that does not guarantee delivery.

- TCP
- UDP

10

_______ converts between IP addresses and domain names.

DNS

11

_______ converts between MAC addresses and IP addresses.

ARP

12

______ converts between public and private IP addresses.

NAT

13

Wireless networks should be secured using WPA or WPA2 encryption, not WEP (T/F)?

True!

14

________ _______ distribute connection requests among many identical servers.

Load balancers

15

_______ ________ generally work at layer 2 and connect directly to endpoints or other switches.

Network Switches

16

Switches can create _________ to further segment internal networks at layer 2.

Virtual LANs (VLANs)

17

PORT(S)...

20, 21

FTP

(File Transfer Protocol)

18

PORT(S)...

22

SSH

(SECURE SHELL)

19

PORT(S)...

23

Telnet

20

PORT(S)...

25

SMTP

(Simple Mail Transfer Protocol)

21

PORT(S)...

53

DNS

(Domain Name Server)

22

PORT(S)...

80

HTTP

(Hypertext Transfer Protocol)

23

PORT(S)...

110

POP3

(Post Office Protocol 3)

24

PORT(S)...

123

NTP

(Network Time Protocol)

25

PORT(S)...

135, 137-139, 445

Windows File Sharing

26

PORT(S)...

143

IMAP

(Internet Message Access Protocol)

27

PORT(S)...

161/162

SNMP

(Simple Network Management Protocol)

28

PORT(S)...

443

HTTPS

Hypertext Transfer Protocol Secure

29

PORT(S)...

1433/1434

SQL Server

(Structured Query Language Server)

30

PORT(S)...

1521

Oracle