Network+ Practice Quiz: N10-008 Quiz 23

1. You're configuring a network firewall to allow SMTP outbound email traffic and POP3 inbound email traffic. Which of the following TCP/IP ports should you open on the firewall? (Choose two)

• 25
• 143
• 21
• 443
• 110

2. Which protocol and port number does TFTP use?

• UDP 67
• UDP 20 and 21
• UDP 69
• TCP 69
• TCP 20 and 21
• TCP 67

3. You manage a subnet that uses the subnet address 198.162.1.0/23. Which of the following BEST describes how addressing is configured for this subnet?

• Classful
• Private
• Subnetting
• Supernetting

4. You want to implement a protocol on your network that allows computers to find a host's IP address from a logical name. Which protocol should you implement?

• DHCP
• Telnet
• ARP
• DNS

5. You have a network configured to use the OSPF routing protocol. Which of the following describes the state when all OSPF routers have learned about all other routes on a network?

• Classful
• Convergence
• Distance vector
• Link state
• VLSM

6. Which of the following routing protocols is a hybrid that uses a composite number for its metric based on bandwidth and delay?

• RIP
• EIGRP
• OSPF
• BGP

7. Which of the following is the term for when a system is unable to keep up with the demands placed on it?

• Jitter
• Hard fault
• Latency
• Bottleneck

8. Which of the following is the term for a calculation of how often bits are damaged in transit due to electromagnetic interference?

• Bottleneck
• Latency
• Bandwidth
• Error rate

9. Which of the following measures are you MOST likely to implement to protect your system from a worm or Trojan horse?

• IPsec
• Password policy
• Antivirus software
• Firewall

10. A group of zombie computers have been set up to collect personal information. Which type of malware do the zombie computers represent?

• Spyware
• Botnet
• Trojan horse
• Logic bomb