Questions

1. Which protocol exist at the Internet Layer of the TCP/IP stack?
   1. TCP
   2. IP
   3. UDP
   4. ARP
2. Which protocol sends a message without first establishing a session?
   1. DHCP
   2. TCP
   3. HTTP
   4. UDP

1. When a user opens their web browser, the browser is unable to reach www.google.com; however, you are getting success responses after you ping the IP address 8.8.8.8. Which protocol may be affected?
   1. HTTP
   2. IP
   3. SMTP
   4. DNS
2. You're a network administrator at a local company, and the IT department has recently installed a new email server within the organization. Your task is to ensure all employees computers are configured to send email successfully. Which protocol would be used for sending email?
   1. POP
   2. SMTP
   3. IMAP
   4. HTTP
3. A company has a single location and, after a year, it is able to open another branch office far way. However, the manager of the company wants to extend their local network resources to the other location; what type of network connection is suitable?
   1. MAN
   2. PAN
   3. SAN
   4. WAN
4. As a network technician for a local company, one day you as task to copy files between two devices over the network. These files may contain sensitive information. Which is the preferred protocol you would use to ensure the files as transport safely?
   1. SCP
   2. FTP
   3. SSH
   4. HTTPS
5. Which layers of the OSI model does Ethernet operate? (Choose two answers)
   1. Physical
   2. Network
   3. Transport
   4. Application
   5. Data Link

1. Which the IEEE standard for Ethernet?
   1. 802.11
   2. 802.15
   3. 802.3
   4. 802.1Q
2. Which topology provides the most redundancy?
   1. Star
   2. Ring
   3. Tree
   4. Mesh
3. As a network administrator, you've notice the email clients on employees computers downloads the emails from the server to the email client and deletes it from the email server. Which protocol behaves in this manner?
   1. IMAP
   2. SMTP
   3. IP
   4. POP