TCP and UDP Ports

Dynamic Host Configuration Protocol (DHCP) Bootstrap Protocol (BOOTP)

UDP port 67 is used by: (Select 2 answers) Remote Authentication Dial In User Service (RADIUS) Dynamic Host Configuration Protocol (DHCP) Simple Network Management Protocol (SNMP) Kerberos Bootstrap Protocol (BOOTP)

110

Which TCP port is used by the Post Office Protocol Version 3 (POP3)? 110 123 143 119

161 162

Which of the following UDP ports are reserved for the Simple Network Management Protocol (SNMP)? (Select 2 answers) 143 161 137 162 138

2427 2727

Which of the following port numbers are assigned to the Media Gateway Control Protocol (MGCP)? (Select 2 answers) 5004 5060 2427 5005 2727 5061

137 138 139

Which of the following port numbers are reserved for NetBIOS services? (Select all that apply) 136 161 137 162 138 139

20 21

Which of the following port numbers are used by the File Transfer Protocol (FTP)? (Select 2 answers) 25 53 20 21 23

123

Which of the following port numbers is reserved for the Network Time Protocol (NTP)? 143 119 80 123

SMB

Which of the following protocols runs on TCP port 445? RDP SMB SIP RTP

Point-to-Point Tunneling Protocol (PPTP) runs on port 1723 Port number 88 is reserved for Kerberos Port 1701 is used by Layer 2 Forwarding Protocol (L2F) and Layer 2 Tunneling Protocol (L2TP)

Which of the following statements are true? (Select all that apply) Point-to-Point Tunneling Protocol (PPTP) runs on port 1723 HyperText Transfer Protocol over TLS/SSL runs on TCP port 143 Port number 88 is reserved for Kerberos Port number 443 is reserved for Internet Message Access Protocol (IMAP) Port 1701 is used by Layer 2 Forwarding Protocol (L2F) and Layer 2 Tunneling Protocol (L2TP)

5060

Which of the port numbers listed below is commonly used for Session Initiation Protocol (SIP) non-encrypted traffic? 5004 5005 5060 5061

TCP port 443

HyperText Transfer Protocol over TLS/SSL runs on: UDP port 161 TCP port 143 TCP port 443 TCP port 80

161

An SNMP Agent receives requests on UDP port: 161 138 162 139

162

An SNMP management station receives SNMP notifications on UDP port: 161 137 162 138

UDP port 53 TCP port 53

DNS runs on: (Select 2 answers) TCP port 67 UDP port 53 TCP port 43 UDP port 67 TCP port 53 UDP port 43

False

FTPS is an extension to the Secure Shell protocol (SSH) and runs by default on port number 22. True False

TCP port 389

Lightweight Directory Access Protocol (LDAP) uses: TCP port 3389 TCP port 389 UDP port 138 UDP port 49 TCP port 993

Telnet

Port number 23 is assigned to: SSH FTP Telnet SMTP

Remote Desktop Protocol (RDP)

Port number 3389 is reserved for: Layer 2 Forwarding Protocol (L2F) Remote Desktop Protocol (RDP) Lightweight Directory Access Protocol (LDAP) Layer 2 Tunneling Protocol (L2TP) Point-to-Point Tunneling Protocol (PPTP)

RTP

Port number 5004 is used by: MGCP RTP H.323 RTCP

True

Port number 5061 is typically used for Session Initiation Protocol (SIP) traffic encrypted with Transport Layer Security (TLS). True False

User ports Registered ports

Port numbers in the range from 1024 to 49151 are referred to as: (Select 2 answers) Private ports Dynamic ports Well-known ports User ports Registered ports

Well-known ports System ports

Ports between 0 and 1023 are known as: (Select 2 answers) Ephemeral ports Well-known ports System ports Dynamic ports Registered ports

49152 - 65535

Ports referred to as dynamic, or private, or ephemeral ports have numbers in the range of: 49152 - 65535 0 - 1023 1024 - 49151

5005

RTP Control Protocol (RTCP) runs by default on port: 5004 5060 5005 5061

1813 1812

Remote Authentication Dial In User Service (RADIUS) protocol runs on: (Select 2 answers) Port 1723 Port 3388 Port 1722 Port 1813 Port 3389 Port 1812

25

Simple Mail Transfer Protocol (SMTP) operates with the use of TCP port: 110 25 143 23

Network News Transfer Protocol (NNTP)

TCP port 119 is used by: Internet Message Access Protocol (IMAP) Post Office Protocol v3 (POP3) Network Time Protocol (NTP) Network News Transfer Protocol (NNTP)

Internet Message Access Protocol (IMAP)

TCP port 143 is used by: Dynamic Host Configuration Protocol (DHCP) Network Time Protocol (NTP) Network News Transfer Protocol (NNTP) Internet Message Access Protocol (IMAP)

H.323

TCP port 1720 is the default port number for: MGCP RTP H.323 RTCP

HyperText Transfer Protocol (HTTP)

TCP port number 80 is used by: HyperText Transfer Protocol (HTTP) HyperText Transfer Protocol over SSL/TLS (HTTPS) Dynamic Host Configuration Protocol (DHCP) Bootstrap Protocol (BOOTP)

49

Terminal Access Controller Access-Control System (TACACS) remote authentication protocol runs by default on port: 80 67 53 49

21

The File Transfer Protocol (FTP) Control Connection for administering a session is established through port number: 20 22 21 25

20

The File Transfer Protocol (FTP) Data Connection for sending file data is established through port number: 23 25 20 21

TCP port 22

The Secure Shell (SSH) protocol uses: TCP port 23 TCP port 25 TCP port 21 TCP port 22

UDP port 69

Trivial File Transfer Protocol (TFTP) uses: TCP port 23 UDP port 67 UDP port 69 UDP port 53