Network Protocols Quiz

Transmission Control Protocol (TCP) is an example of a connectionless protocol. Because TCP doesn't support three-way handshake while establishing a network connection, it is referred to as unreliable or best-effort protocol. [True/False]

False

A Microsoft-proprietary remote-access protocol providing a user with graphical interface for connecting to another computer over a network is known as: a) RDP b) SSH c) VNC d) Telnet

a) RDP?

Which of the following answers refers to a system containing mappings of domain names to various types of data, such as for example numerical IP addresses? a) TCP/IP b) DNS c) SQL d) DHCP

b) DNS

Which of the answers listed below refers to a protocol used for managing VoIP and VTC services? a) SMB b) H.323 c) SCP d) IGP

b) H.323 H.323 is a recommendation from the ITU Telecommunication Standardization Sector (ITU-T) that defines the protocols to provide audio-visual communication sessions on any packet network. The H.323 standard addresses call signaling and control, multimedia transport and control, and bandwidth control for point-to-point and multi-point conferences.

LDAP is an example of: a) Authentication Protocol b) Address resolution protocol c) Directory access protocol d) File exchange protocol

c) Directory access protocol

User Datagram Protocol (UDP) is a connection-oriented protocol using a three-way handshake which is a set of initial steps required for establishing network connection. UDP supports retransmission of lost packets, flow control (managing the amount of data that is being sent), and sequencing (rearranging packets that arrived out of order). [True/False]

False

Which of the answers listed below refer to IMAP4? (Select 2 answers) [ ] Offers improved functionality in comparison to POP3 [ ] Serves the same function as POP3 [ ] Enables sending email messages from client devices [ ] Offers less functions than POP3 [ ] Enables email exchange between mail servers

[ ] Offers improved functionality in comparison to POP3 [ ] Enables sending email messages from client devices

What are the characteristics of SMB/CIFS? (Select 2 answers) [ ] Used mainly by computers running Linux distributions [ ] Provides shared access to files, directories, and devices [ ] Used mainly by computers running Microsoft Windows operating systems [ ] Enables voice and multimedia communications over IP networks

[ ] Provides shared access to files, directories, and devices [ ] Used mainly by computers running Microsoft Windows operating systems

Which protocol allows for retrieving contents of an Internet page from a web server? a) SNMP b) HTTP c) SMTP d) IMAP

b) HTTP

What is the name of a network layer protocol that specifies the format of packets and addressing scheme in network communications? a) UDP b) IP c) TCP d) NetBIOS

b) IP

Which of the following answers refers to a protocol used by routers, hosts and network devices to generate error messages and troubleshoot problems with delivery of IP packets? a) CCMP b) RSTP c) ICMP d) SNMP

c) ICMP (Internet Control Message Protocol) The Internet Control Message Protocol (ICMP) is one of the main protocols of the internet protocol suite. It is used by network devices, like routers, to send error messages indicating, for example, that a requested service is not available or that a host or router could not be reached. ICMP can also be used to relay query messages. It is assigned protocol number 1.

Which of the answers listed below refers to a network protocol used for synchronizing clocks over a computer network? a) NTP b) VTP c) NNTP d) RTP

c) NNTP?

A network protocol providing an alternative solution to the manual allocation of IP addresses is known as: a) DNS b) SNMP c) NAT d) DHCP

d) DHCP

Which of the following answers refers to an SSL/TLS-based directory access protocol? a) H.323 b) PPTP c) Kerberos d) LDAPS

d) LDAPS

POP3 is used for: a) Name resolution b) Sending email messages c) File exchange d) email retrieval

d) email retrieval