CY2 Unit 10 Port and Protocals

A network protocol allows devices to communicate with each other, whether or not they are connected.

• True
• False

A closed (proprietary) protocol is one that is owned by any particular company and limited to a particular company's products.

• True
• False

An open (nonproprietary) protocol is one that is owned by any particular company and limited to a particular company's products.

• True
• False

The DOD model’s ‘Host-to-Host’ layer was replaced by the OSI model’s ‘Transport’ layer.

• True
• False

The DOD model’s ‘Internet’ layer was replaced by the OSI model’s ‘Data Link’ layer.

• True
• False

The OSI model has seven layers, and the DoD has four. At which layer does SMTP work in both models?

• Network
• Transport
• Session
• Application
• Internet

You need to have secure communications using HTTPS. What port number is used by default?

• 69
• 23
• 21
• 443

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?

• SMTP
• SNMP
• DHCP
• ARP

What protocol is used to find the hardware address of a local device?

• RARP
• ARP
• IP
• ICMP

You need to have a connection to run applications that are installed on only your desktop computer at your office. Which protocol will provide a GUI interface to your work computer?

• Telnet
• FTP
• RDP
• IMAP
• SMTP