Network + Quiz 16 NEW

At which of the following OSI model layers does routing occur?

• Data link
• Transport
• Physical
• Network

An auditor assessing network best practices was able to connect a rogue switch into a network jack and get network connectivity. Which of the following controls would BEST address this risk?

• Activate port security on the switchports providing end user access.
• Deactivate Spanning Tree Protocol on network interfaces that are facing public areas.
• Disable Neighbor Resolution Protocol in the Layer 2 devices.
• Ensure port tagging is in place for network interfaces in guest areas.

A technician knows the MAC address of a device and is attempting to find the device's IP address. Which of the following should the technician look at to find the
IP address? (Choose two.)

• ARP table

• DHCP leases

• IP route table

• DNS cache

• MAC address table

A user in a branch office reports that access to all files has been lost after receiving a new PC. All other users in the branch can access fileshares. The IT engineer who is troubleshooting this incident is able to ping the workstation from the branch router, but the machine cannot, ping the router. Which of the following is MOST likely the cause of the incident?

• Incorrect subnet mask

• Incorrect DNS server
• Incorrect IP class
• Incorrect TCP port

A network administrator would like to purchase a device that provides access ports to endpoints and has the ability to route between networks.
Which of the following would be BEST for the administrator to purchase?

• An IPS
• A Layer 3 switch
• A router
• A wireless LAN controller

A false camera is installed outside a building to assist with physical security. Which of the following is the device assisting?

• Detection
• Recovery
• Identification
• Prevention

Which of the following types of attacks can be used to gain credentials by setting up rogue APs with identical corporate SSIDs?

• VLAN hopping
• Evil twin
• DNS poisoning
• Social engineering

Which of the following protocols is widely used in large-scale enterprise networks to support complex networks with multiple routers and balance traffic load on multiple links?

• OSPF
• RIPv2
• QoS
• STP

A network engineer is investigating reports of poor network performance. Upon reviewing a report, the engineer finds hundreds of CRC errors on an interface.
Which of the following is the MOST likely cause of these errors?

• A bad wire on the Cat 5e cable

• The wrong VLAN assignment to the switchport
• A misconfigured QoS setting on the router
• Both sides of the switch trunk set to full duplex

Which of the following is considered a physical security detection device?

• Cameras
• Biometric readers
• Access control vestibules
• Locking racks