Quiz 16A: Explain WAN Provider Links

Which protocol works at the Data Link layer (Layer 2) and is used to encapsulate IP packets for transmission over serial digital lines?

• IPSec

• TLS

• PPP

• GRE

What protocol is often used in conjunction with Generic Routing Encapsulation (GRE) to provide security in a VPN solution?

• TLS

• IPSec

• AH

• ESP

Which VPN topology involves a VPN client connecting over the public network to a VPN gateway positioned on the edge of the local network?

• Site-to-site VPN

• Hub and spoke VPN

• Client-to-site VPN

• Dynamic multipoint VPN

What protocol is used for remote desktop connections, allowing an administrator to configure a server or a user to operate a computer remotely?

• SSH

• RDP

• TLS

Which VPN topology connects two or more private networks, allowing traffic to be tunneled between them automatically?

• Site-to-site VPN

• Hub and spoke VPN

• Client-to-site VPN

• Dynamic multipoint VPN

What is the main purpose of the Internet Key Exchange (IKE) protocol in IPsec?

• To encrypt IP packets

• To establish a trust relationship between VPN gateways

• To encapsulate IP packets

• To assign IP addresses to hosts

Which mode of IPsec is used for securing communications between hosts on a private network?

• Transport mode

• Tunnel mode

• Encapsulation mode

• Authentication mode

What does ESP stand for in the context of IPsec?

• Encapsulating Security Payload

• Extended Security Protocol

• External Security Provider

• Enhanced Security Protocol

Which management method for network appliances involves connecting a device running terminal emulator software to the device via a separate physical interface using a special console cable?

• Management port

• AUX port

• USB port

• Console port

What is the primary purpose of out-of-band (OOB) management for network appliances?

• To share traffic with other communications on the production network

• To isolate management traffic from the production network

• To reduce the cost of network infrastructure

• To provide faster network speeds