SWRE Unit 1

Which two devices are intermediary devices?

• Host
• Router
• Switch
• Server

At which OSI layer is a destination MAC address added to a PDU during the encapsulation process?

• Data Link
• Transport
• Application
• Network

What is a characteristic of multicast messages?

• They are sent to a select group of hosts
• They are sent to all hosts on a network
• They must be acknowledged.
• They are sent to a single destination.

Which name is assigned to the transport layer PDU?

• Bits
• Data
• Segment
• Frame

A network administrator enters the service password-encryption command into the configuration mode of a router. What does this command accomplish?

• This command encrypts passwords as they are transmitted across serial WAN links.
• This command prevents someone from viewing the running configuration passwords
• This command enables a strong encryption algorithm for the enable secret password command.
• This command automatically encrypts passwords in configuration files that are currently stored in NVRAM.

After making configuration changes on a Cisco switch, a network administrator issues a copy running-config startup-config command. What is the result of issuing this command?

• The new configuration will be stored in flash memory.
• The new configuration will be loaded if the switch is restarted.
• The current IOS file will be replaced with the newly configured file.
• The configuration changes will be removed and the original configuration will be restored.

What command is used to verify the condition of the switch interfaces, including the status of the interfaces and a configured IP address?

• ipconfig
• show run
• Login Local
• show ip interface brief

Which interface allows remote management of a Layer 2 switch?

• the AUX interface
• the console port interface
• the switch virtual interface
• the first Ethernet port interface

Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators?

• Internet
• intranet
• extranet
• extendednet

When a cisco device boots which is the first process to be run?

• POST
• Boot Loader
• Flash File
• IOS