Quiz 3

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

A. 49152 - 65535

An SNMP Agent receives requests on UDP port: A.161 B.138 C.162 D.139

A.161

Simple Mail Transfer Protocol (SMTP) operates with the use of TCP port: A. 110 B. 25 C.143 D.23

B. 25

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

B. False

Port number 5004 is used by: A. MGCP B. RTP C. H.323 D. RTCP

B. RTP

Which of the following protocols runs on TCP port 445? A. RDP B. SMB C. SIP D. RTP

B. SMB

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

C. 21

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

C. 5060

Trivial File Transfer Protocol (TFTP) uses: A. TCP port 23 B. UDP port 67 C. UDP port 69 D. UDP port 53

C. UDP port 69

If you use either Telnet or FTP, which is the highest layer you are using to transmit data? A. Application B. Presentation C. Session D. Transport

Option A

Which of the following are layers in the TCP/IP model? 1.Application 2.Session 3.Transport 4.Internet 5.Data Link 6.Physical A. 1 and 2 B. 1, 3 and 4 C. 2, 3 and 5 D. 3, 4 and 5

Option B

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

A. HyperText Transfer Protocol (HTTP)

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

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

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

A.110

Which of the following port numbers are reserved for NetBIOS services? (Select all that apply) A.137 B. 162 C. 138 D. 139

A.137 C. 138 D. 139

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

B. 161 D.162

UDP port 67 is used by: (Select 2 answers) A. Remote Authentication Dial in User Service (RADIUS) B. Dynamic Host Configuration Protocol (DHCP) C. Simple Network Management Protocol (SNMP) D. Kerberos E. Bootstrap Protocol (BOOTP)

B. Dynamic Host Configuration Protocol E. Bootstrap Protocol (BOOTP)

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

B. Remote Desktop Protocol (RDP)

DNS runs on: (Select 2 answers) A. TCP port 67 B. UDP port 53 C.TCP port 43 D.UDP port 67 E.TCP port 53 F.UDP port 43

B. UDP port 53 E.TCP port 53

Ports between 0 and 1023 are known as: (Select 2 answers) A. Ephemeral ports B. Well-known ports C. System ports D. Dynamic ports E. Registered ports

B. Well-known ports C. System ports

Lightweight Directory Access Protocol (LDAP) uses: A.TCP port 3389 B.TCP port 389 C.UDP port 138 D. UDP port 49 E.TCP port 993

B.TCP port 389

An SNMP management station receives SNMP notifications on UDP port: A. 161 B. 137 C. 162 D.138

C. 162

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

C. 20

Hypertext Transfer Protocol over TLS/SSL runs on: A. UDP port 161 B. TCP port 143 C. TCP port 443 D. TCP port 80

C. TCP port 443

Port number 23 is assigned to: A. SSH B.FTP C. Telnet D.SMTP

C. Telnet

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

C.20 D.21

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

D. 123

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

D. Internet Message Access Protocol (IMAP)

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

D. Network News Transfer Protocol (NNTP)

Remote Authentication Dial In User Service (RADIUS) protocol runs on: (Select 2 answers) A. Port 1723 B. Port 3388 C. Port 1722 D. Port 1813 E. Port 1812

D. Port 1813 E. Port 1812

The Secure Shell (SSH) protocol uses: A.TCP port 23 B.TCP port 25 C.TCP port 21 D. TCP port 22

D. TCP port 22

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

D. User ports E. Registered ports

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

D.49

Which of the following services use UDP? 1.DHCP 2.SMTP 3.SNMP 4.FTP 5.HTTP 6.TFTP A. 1, 3 and 6 B. 2 and 4 C. 1, 2 and 4 D. All of the above

Option A

What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model? A. Application B. Host-to-Host C. Internet D. Network Access

Option B

What protocol is used to find the hardware address of a local device? A. RARP B. ARP C. IP D. ICMP

Option B

Which layer 4 protocol is used for a Telnet connection? A. IP B. TCP C. TCP/IP D. UDP

Option B

Which of the following describe the DHCP Discover message? It uses FF:FF:FF:FF:FF:FF as a layer 2 broadcast. It uses UDP as the Transport layer protocol. It uses TCP as the Transport layer protocol. It does not use a layer 2 destination address. A. 1 only B. 1 and 2 C. 3 and 4 D. 4 only

Option B

Which of the following is the decimal and hexadecimal equivalents of the binary number 10011101? A. 155, 0x9B B. 157, 0x9D C. 159, 0x9F D. 185, 0xB9

Option B

Which of the following services use TCP? DHCP SMTP HTTP TFTP FTP A. 1 and 2 B. 2, 3 and 5 C. 1, 2 and 4 D. 1, 3 and 4

Option B

Which statements are true regarding ICMP packets? 1.ICMP guarantees datagram delivery. 2.ICMP can provide hosts with information about network problems. 3.ICMP is encapsulated within IP datagrams. 4.ICMP is encapsulated within UDP datagrams. A. 1 only B. 2 and 3 C. 1 and 4 D. All of the above

Option B

The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model? A. Application B. Host-to-Host C. Internet D. Network Access

Option C

What is the address range of a Class B network address in binary? A. 01xxxxxx B. 0xxxxxxx C. 10xxxxxx D. 110xxxxx

Option C

Which class of IP address provides a maximum of only 254 host addresses per network ID? A. Class A B. Class B C. Class C D. Class D

Option C

Which of the following allows a router to respond to an ARP request that is intended for a remote host? A. Gateway DP B. Reverse ARP (RARP) C. Proxy ARP D. Inverse ARP (IARP)

Option C

Which of the following are TCP/IP protocols used at the Application layer of the OSI model? 1.IP 2.TCP 3.Telnet 4.FTP 5.TFTP A. 1 and 3 B. 1, 3 and 5 C. 3, 4 and 5 D. All of the above

Option C

Which statements are true regarding ICMP packets? 1.They acknowledge receipt of a TCP segment. 2.They guarantee datagram delivery. 3.They can provide hosts with information about network problems. 4.They are encapsulated within IP datagrams. A. 1 only B. 2 and 3 C. 3 and 4 D. 2, 3 and 4

Option C

You want to implement a mechanism that automates the IP configuration, including IP address, subnet mask, default gateway, and DNS information. Which protocol will you use to accomplish this? A. SMTP B. SNMP C. DHCP D. ARP

Option C

Which of the following is private IP address? A. 12.0.0.1 B. 168.172.19.39 C. 172.15.14.36 D. 192.168.24.43

Option D

Which of the following protocols uses both TCP and UDP? A. FTP B. SMTP C. Telnet D. DNS

Option D