Network and Security Engineer

Network Security Engineer designs, implements, and maintains the hardware and software security systems that protect an organization's computer networks and sensitive data from cyber threats

Quiz Questions

Q613: Which Cisco firewall inspection model is the Adaptive Security Algorithm based on?

MAC filtering

Pure packet filtering

Stateful inspection with security levels

Port mirroring

Application-only proxying

Q614: Scenario: Instances in an AWS private subnet need outbound access for updates but must not be reachable from the Internet. What should be used?

A second Internet gateway

VPC flow logs only

An elastic public IP on every instance with inbound open

A NAT gateway

A security group allowing all inbound traffic

Q615: Scenario: Hosts in VLAN 10 cannot reach hosts in VLAN 20. Both VLANs exist only on a Layer 2 switch with no Layer 3 device. What is the fix?

Enable PortFast

Increase the MTU

Enable LACP

Change the native VLAN

Add inter-VLAN routing using a router or Layer 3 switch