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The Comeback is Real Hocker > 6.5 > Flashcards

6.5 Flashcards

1
Q

Services listen on what ports?

A

Well-known ports (0-1023)

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2
Q

Objects that allow software to communciate and send data across a network connection via access to a computer’s Network Interface Card; Require an active port and IP address.

A

Socket

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3
Q

Tool used to view socket information in RAM.

A

netstat

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4
Q

Provides a network service for passing configuration information including IP address, subnet mask, DNS server, and default gateway to hosts on a TCP/IP.

A

Dynamic Host Configuraiton Protocol (DHCP)

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5
Q

What are the four steps of the DHCP process?

A
  1. Discover
  2. Offer
  3. Request
  4. Acknowledge
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6
Q

The basis for a more advanced network manager protocol, the Dynamic Host Configuration Protocol (DHCP).

A

BOOTP (Bootstrap Protocol)

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7
Q

A distributed naming system used on /TCP/IP networks to map computer names to IP addresses and IP addresses to computer.

A

Domain Name System (DNS)

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8
Q

Domain Name System machines that provide access to the root zone file, containing information on all top-level domains.

A

Root Name Server

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9
Q

Files that contain information on all Top-Level Domains (TLDs).

A

Root Zone File

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10
Q

What are three types of TLDs within the DNS discussed in class?

A
  • Generic TLD (gTLD)
  • Sponsored TLD (sTLD)
  • Country Code TLD (ccTLD)
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11
Q

TLDs with three or more characters such as .com, .net, and .org.

A

General TLD (gTLD)

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12
Q

A subset of the gTLDs, these sites are paid for by an organization such as the DoD paying for the .mil domain.

A

Sponsored TLD (sTLD)

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13
Q

TLD that contains domains representing over 240 countries and external territories.

A

Country Code TLD (ccTLD)

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14
Q

A unique name used to identify a particular system on the Internet. Listed in dotted notation, <hostname>.<domain name> (i.e., mail.yahoo.com)

A

Fully Qualified Domain Name (FQDN)

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15
Q

The name server that is the best source of information for the domain.

A

Start of Authority (SOA)

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16
Q

The authoritative name servers for a particular zone who will answer queries for their supported zone.

A

Name Servers (NSs)

17
Q

A Domain Name System record containing information about servers, hosts, and services.

A

Resource Record

18
Q

What are the different types of DNS records?

A
  • SOA (Start of Authority)
  • NS (Name Server)
  • A (Host Records)
  • AAAA (IPv6 Host Records)
  • CNAME (Canonical Name)
  • MX (Mail eXchange)
  • SRV (Service Record)
  • PTR (Pointer Record)
19
Q

Used to request an IP address for a known FQDN or to request an FQDN for a known IP address.

A

DNS queries

20
Q

What are two types of DNS queries?

A

Recursive and iterative

21
Q

Used to forward DNS queries to DNS servers outside of the network.

A

DNS forwarder observers

22
Q

What allows a server to respond to multiple queries more quickly for a previously resolved domain or host.

A

DBS Caching

23
Q

What is conducted when a primary DNS server transfers its cache database to a secondary or back-up?

A

Zone transfer

24
Q

What protocol is used to send mail messages across a network and is the basis for Internet email?

A

Simple Mail Transport Protocol (SMTP); Port 25

25
Q

What protocol is used to retrieve email from a mail server?

A

Post Office Protocol 3 (POP3); Port 110

26
Q

Which protocol is similar to POP3 and enables a user to search through messages based on keywords and select which messages the user wishes to download to their local device?

A

Internet Message Access Protocol 4 (IMAP4); Port 143

27
Q

What protocol is a set of rules for exchanging files (text, graphic images, sound, video, and other multimedia files) from server to client and vice versa?

A

Hypertext Transfer Protocol (HTTP); Port 80

28
Q

What protocol is an extension to the HTTP protocol where the HTTP protocol rides over the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols, providing security to a web session?

A

Hypertext Transfer Protocol Secure (HTTPS); Port 443

29
Q

What protocol is an Application layer protocol of the TCP/IP suite capable of securing other application layer protocols?

A

Secure Sockets Layer (SSL); Port 22

30
Q

What protocol is an upgrade to, and is more robust than, SSL?

A

Transfer Layer Security (TLS)

The Comeback is Real Hocker (17 decks)

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