Net+008 Domain 1,2

A network is experiencing a number of CRC errors during normal network communication. At which of the following layers of the OSI model will the administrator MOST likely start to troubleshoot?

• Layer1

• Layer2

• Layer3

• Layer4

• Layer7

Which of the following ports is a secure protocol?

• 20

• 443

• 23

• 149

A network administrator needs to set up a file server to allow user access. The organization uses DHCP to assign IP addresses. Which of the following is the best solution for the administrator to set up?

• A separate scope for the file server using a /32 subnet

• A reservation for the server based on the MAC address

• A static IP address within the DHCP IP range

• A SLAAC for the server

Which of the following does OSPF use to communicate routing updates?

• Unicast

• Anycast

• Multicast

• Broadcast

A network administrator is configuring a new switch and wants to ensure that only assigned devices can connect to the switch. Which of the following should the administrator do?

• Configure ACLs.

• Implement a captive portal.

• Enable port security.

• Disable unnecessary services.

Which of the following is most likely to be implemented to actively mitigate intrusions on a host device?

• Hids

• Nids

• Hips

• Nips

Which of the following passwords would provide the best defense against a brute-force attack?

• ThisIsMyPasswordForWork

• Qwerty!@#$

• Password!1

• T5!8j5

Which of the following should a junior security administrator recommend implementing to mitigate malicious network activity?

• Intrusion prevention system

• Load balancer

• Access logging

• Endpoint encryption

A company is designing a new complex. The primary and alternate data centers will be in separate buildings 6.2mi (10km) apart and will be connected via fiber. Which of the following types of SFP is the best choice?

• 10GBASE-SR

• 10000BASE-LX

• 10GBASE-LR

• 1000BASE-SX

A network administrator needs to monitor traffic on a specific port on a switch. Which of the following should the administrator configure to accomplish the task?

• Port security

• Port tagging

• Port mirroring

• Media access control