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CompTIA A+ > 2.1 - Networking > Flashcards

2.1 - Networking Flashcards

1
Q

What are the purpose, port(s), and transport protocol of FTP (File Transfer Protocol)?

A
  • Transfer files between client and server on a network
  • 21 (control) / 20 (data transfer)
  • TCP
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2
Q

What are the purpose, port(s), and transport protocol of SSH (Secure Shell)?

A
  • Securely connect to and manage remote devices
  • 22
  • TCP
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3
Q

What are the purpose, port(s), and transport protocol of Telnet?

A
  • Remotely access and manage network devices and systems
  • 23 (non-secure)
  • TCP
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4
Q

What are the purpose, port(s), and transport protocol of SMTP (Simple Mail Transfer Protocol)?

A
  • Sending and relaying email between servers and clients
  • 25 (servers-servers) / 587 (clients-servers)
  • TCP
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5
Q

What are the purpose, port(s), and transport protocol of DNS (Domain Name System)?

A
  • Translates domain names into IP addresses
  • 53
  • UDP
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6
Q

What are the purpose, port(s), and transport protocol of DHCP (Dynamic Host Configuration Protocol)?

A
  • Dynamically assigns IP addresses to devices on a network
  • 67 (server) / 68 (client)
  • UDP
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7
Q

What are the purpose, port(s), and transport protocol of HTTP (Hypertext Transfer Protocol)?

A
  • Transfer hyptertext between a client and a server
  • 80
  • TCP
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8
Q

What are the purpose, port(s), and transport protocol of POP3 (Post Office Protocol 3)?

A
  • Retrieves email from a server to a client
  • 110 (non-secure)
  • TCP
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9
Q

What are the purpose, port(s), and transport protocol of NetBIOS / NetBT (Network Basic Input / Output System)?

A
  • Allows computers on a local network to communicate with each other
  • 137 / 139
  • TCP
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10
Q

What are the purpose, port(s), and transport protocol of IMAP (Internet Mail Access Protocol)?

A
  • Retrieving and managing emails from a server to a client
  • 143
  • TCP
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11
Q

What are the purpose, port(s), and transport protocol of Simple Network Management Protocol (SNMP)?

A
  • Manage and monitor network devices and systems
  • 161 (operations) / 162 (traps)
  • UDP
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12
Q

What are the purpose, port(s), and transport protocol of LDAP (Lightweight Directory Access Protocol)?

A
  • Accessing and managing directory information services over a network
  • 389
  • TCP
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13
Q

What are the purpose, port(s), and transport protocol of HTTPS (Hypertext Transfer Protocol Secure)?

A
  • Securely transfer hypertext between a client and server
  • 443
  • TCP
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14
Q

What are the purpose, port(s), and transport protocol of SMB / CIFS (Server Message Block / Common Internet File System)?

A
  • Provides shared access to files, printers, and serial ports over a network.
  • 445
  • TCP
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15
Q

What are the purpose, port(s), and transport protocol of RDP (Remote Desktop Protocol)?

A
  • Provides remote desktop access to another computer over a network
  • 3389
  • TCP
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16
Q

What service runs on ports 21/22?

A
  • File Transfer Protocol (FTP)
17
Q

What service runs on port 22?

A
  • Secure Shell (SSH)
18
Q

What service runs on port 23?

A
  • Telnet
19
Q

What service runs on port 25?

A
  • Simple Mail Transfer Protocol (SMTP)
20
Q

What service runs on port 53?

A
  • Domain Name System (DNS)
21
Q

What service runs on ports 67/68?

A
  • Dynamic Host Configuration Protocol (DHCP)
22
Q

What service runs on port 80?

A
  • Hypertext Transfer Protocol (HTTP)
23
Q

What service runs on port 110?

A
  • Post Office Protocol 3 (POP3)
24
Q

What services run on ports 137/139?

A
  • Network Basic Input / Output System (NetBIOS)
  • NetBIOS over TCP/IP (NetBT)
25
Q

What service runs on port 143?

A
  • Internet Mail Access Protocol (IMAP)
26
Q

What service runs on ports 161/162?

A
  • Simple Network Management Protocol (SNMP)
27
Q

What service runs on port 389?

A
  • Lightweight Directory Access Protocol (LDAP)
28
Q

What service runs on port 443?

A
  • Hypertext Transfer Protocol Secure (HTTPS)
29
Q

What services runs on port 445?

A
  • Server Message Block (SMB)
  • Common Internet File System (CIFS)
30
Q

What service runs on port 3389?

A
  • Remote Desktop Protocol (RDP)
31
Q

What is a connection-oriented transport layer protocol?

A
  • TCP (Transmission Control Protocol)
32
Q

What is a connectionless transport layer protocol?

A
  • UDP (User Datagram Protocol)
33
Q

What are the purpose, port(s), and transport protocol of TFTP (Trivial File Transfer Protocol)?

A
  • Simple file transfer protocol with no authentication
  • 69
  • UDP (User Datagram Protocol)
34
Q

What transport layer protocol do corporate applications typically use?

A
  • TCP (Transmission Control Protocol)
35
Q

Which transport protocol ensures data integrity, delivery, and sequencing?

A
  • TCP (Transmission Control Protocol)
36
Q

Which transport protocol prioritizes speed and has no guarantee of delivery or correct sequencing?

A
  • UDP (User Datagram Protocol)

CompTIA A+ (5 decks)

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