1.1 Network+

Which statement describes DHCP?

Dynamic Host Configuration Protocol (DHCP) dynamically assigns IP addresses to hosts and utilizes ports 67 and 68.

How would you describe the transferring of electronic mail?

Electronic mail can be transferred from one mail server to another using the SMTP protocol over port 25.

Ports 20 and 21 are used for which protocol?

File Transfer Protocol (FTP)

On Windows, the File and Printer Sharing Server is provided by which protocol?

Server Message Block (SMB)

A Management Information Base (MIB) is generally used in conjunction with which protocol for monitoring remote devices?

Simple Network Management Protocol (SNMP)

Which of the following protocols is part of the foundation of web technology?

HyperText Transfer Protocol (HTTP)

Which port number is used for SFTP?

22

Remote Desktop Protocol (RDP) uses which port for its traffic?

3389

Which port number supports the protocol that provides Secure Sockets Layer (SSL) to web traffic?

443

Which statement describes a stratum 1 device?

A stratum 1 device is a server that directly cables to a stratum 0 device, like an atomic clock, to receive precise timing.

How is Internet Control Message Protocol (ICMP) used?

ICMP is used in tools like Ping and Traceroute, usually to test connectivity.

Which statement describes Internet Message Access Protocol (IMAP)?

Internet Message Access Protocol (IMAP) allows for email to be downloaded to the recipient's email at his or her convenience and also provides the ability to sync to multiple devices.

What is the purpose of LDAP?

It defines how a client can access information, perform operations, and share directory data on a directory server.

Which statement describes H.323?

It is a session control protocol designed for the setup, management, and termination of a media session.

The Internet protocol suite consists of TCP and IP. TCP ensures an end-to-end connection on Layer 4 of the OSI model. Which layer does IP reside on?

Layer 3

Which of the following is NOT an accurate statement about Lightweight Directory Access Protocol over SSL (LDAPS)?

Lightweight Directory Access Protocol over SSL (LDAPS) transmits in plain text and is not secure, making it more vulnerable to sniffing and man-in-the-middle attacks.

Which statement describes Post Office Protocol (POP)?

Post Office Protocol (POP) allows for email to be downloaded to the recipient's email at his or her convenience, but does not provide the ability to sync to multiple devices.

Which protocol is used as a secure method to access hardware on a network via command line?

Secure Shell (SSH)

Port 23 is used for unsecure management through which protocol?

Telnet

What service utilizes port 53?

The Domain Name Server (DNS) utilizes port 53 for name resolution services.

Which file transfer protocol does not offer guaranteed delivery and is only suggested for small files?

Trivial File Transfer Protocol (TFTP)

Which statement describes User Datagram Protocol (UDP)?

User Datagram Protocol (UDP) is a connectionless protocol, which means that traffic is not guaranteed to be delivered, and it is commonly used for real time communications, like streaming or voice calls.

Session Initiation Protocol (SIP) is used in which of the following technologies?

VoIP