CompTIA Network+

What device separates broadcast domains in a network?

• Router

• Switch

• Hub

• Repeater

Which protocol is used to automatically assign IP addresses to devices on a network?

• DNS

• DHCP

• ARP

• ICMP

What does an ACL (Access Control List) primarily control?

• Device performance

• Network traffic

• User authentication

• Bandwidth usage

Which of the following protocols is used to securely access a remote computer?

• FTP

• Telnet

• SSH

• SMTP

What does the ping command test?

• DNS resolution

• Network connectivity

• Bandwidth capacity

• Routing tables

Which of the following types of firewalls filters traffic based on the packet header information?

• Application layer firewall

• Stateful firewall

• Packet filtering firewall

• Proxy firewall

Which of the following is used to monitor and manage network devices?

• SMTP

• SNMP

• FTP

• DNS

Which of the following is used to prevent loops in a network?

• Spanning Tree Protocol

• Link Aggregation Control Protocol

• Quality of Service

• Border Gateway Protocol

Which protocol is used to send email from a client to a server?

• IMAP

• POP3

• SMTP

• FTP

Which layer of the OSI model is responsible for data encryption?

• Network

• Data Link

• Session

• Presentation