Networking Quiz

How does using the service password-encryption command on a router provide additional security?

• by encrypting all passwords passing through the router

• by encrypting passwords in the plain text configuration file

• by requiring entry of encrypted passwords for access to the device

• by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges

• by automatically suggesting encrypted passwords for use in configuring the router

When are packets processed by an inbound access list?

• before they are routed to an outbound interface

• after they are routed to an outbound interface

• before and after they are routed to an outbound interface

• after they are routed to an outbound interface but before being placed in the outbound queue

The company internetwork is subnetted using 29 bits. Which wildcard mask should be used to configure an extended access list to permit or deny access to an entire subnetwork?

• 255.255.255.248

• 255.255.255.224

• 0.0.0.224

• 0.0.0.8

• 0.0.0.7

What are three valid reasons to assign ports to VLANs on a switch? (Choose three.)

• to logically group hosts according to function

• to increase the size of the collision domain

• to increase network security

• to isolate broadcast traffic

• to make VTP easier to implement

Which protocol should be used to establish a secure terminal connection to a remote network device?

• SNMPv1

• SSH

• ARP

• WEP

• Telnet

What three pieces of information can be used in an extended access list to filter traffic? (Choose three.)

• source IP address and destination IP address

• VLAN number

• source switch port number

• TCP or UDP port numbers

• protocol

Which command is necessary to permit SSH or Telnet access to a Cisco switch that is otherwise configured for these vty line protocols?

• transport output all

• transport preferred all

• transport type all

• transport input all

What features can protect the data plane? (Choose three.)

• antispoofing

• QoS

• IPS

• DHCP-snooping

• ACLs

Which of the following statements is true regarding a stateless packetfiltering firewall? (Select the best answer.)

• It can operate at Layer 4 of the OSI model.

• It is more secure than a stateful packetfiltering firewall.

• It tracks packets as a part of a stream.

• It is not susceptible to IP spoofing attacks.

Which of the following statements is true of all firewalls? (Select the best answer.)

• They maintain a state table.

• They hide the source of network connections.

• They operate at Layer 7 of the OSI model.

• They are multihomed devices.