quiz #1

Which layer of the OSI model is responsible for ensuring that all packets sent are received by the destination station by dealing with end-to-end issues?

• presentation

• transport

• physical

• session

• application

Which layer of the OSI model is responsible for ensuring flow control so that the destination station does not receive more packets that it can process at any given time?

• presentation

• transport

• physical

• session

• application

The fourth layer of the OSI model is called the __________ layer.

• network

• transport

• session

• data link

• presentation

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 to start to troubleshoot?

• Layer 1

• Layer 2

• Layer 5

• Layer 3

At which of the following OSI model layers would a technician find an IP header?

• Layer 1

• Layer 3

• Layer 4

• Layer 2

Which of the following OSI model layers is where conversations between applications are established, coordinated, and terminated?

• Session

• Physical

• Presentation

• Data Link

Which of the following is used to provide networking capability for VMs at Layer 2 of the OSI model?

• VPN

• VRRP

• vSWITCH

• VIP

At the destination host, which of the following OSI model layers will discard a segment with a bad checksum in the UDP header?

• NETWORK

• DATA LINK

• TRANSPORT

• SESSION

Which of the following OSI model layers contains IP headers?

• PRESENTATION

• APPLICATION

• DATA LINK

• NETWORK

A systems administrator wants to use the least amount of equipment to segment two departments that have cables terminating in the same room. Which of the following would allow this to occur?

• A load balancer

• A proxy server

• A Layer 3 switch

• A Layer 7 firewall