CCNA3 ENSA v7

Which design feature will limit the size of a failure domain in an enterprise network?

• The purchase of enterprise equipment that is designed for large traffic volume

• The installation of redundant power supplies

• The use of a collapsed core design

• The use of the building switch block approach

Which two things should a network administrator modify on a router to perform password recovery?

• The system image file

• The NVRAM file system

• The configuration register value

• The startup configuration file

• System ROM

What type of network uses one common infrastructure to carry voice, data, and video signals?

• Borderless

• Converged

• Managed

• Switched

What are the three advantages of using private IP address and NAT?

• Hides private LAN addressing from outside devices that are connected to the internet

• Permits LAN expansion without additional public IP addresses

• Conserves registered public IP addresses

• Reduces CPU usage on customer routers

• Creates multiple public IP addresses

Which two scenarios are examples of remote access VPNs?

• All users at a large branch office can access company resources through a single VPN connection

• A small branch office with three employees has a Cisco ASA that is used to create a VPN connection to the HQ

• A toy manufacturer has a permanent VPN connection to one of its parts suppliers

• A mobile sales agent is connecting to the company network via the Internet connection at a hotel

• An employee who is working from home uses VPN client software on a laptop in order to connect to the company network

What are three benefits of cloud computing?

• It streamlines the IT operations of an organization by subscribing only to needed services

• It utilizes end-user clients to do a substantial amount of data preprocessing and storage

• It eliminates or reduces the need for onsite IT equipment, maintenance, and management

• It uses open-source software for distributed processing of large datasets

• It enables access to organizational data anywhere and at any time

What is a characteristic of a single-area OSPF network?

• All routers share a common forwarding database

• All routers have the same neighbor table

• All routers are in the backbone area

• All routers have the same routing table

What is a WAN?

• A network infrastructure that spans a limited physical area such as a city

• A network infrastructure that provides access to other networks over a large geographic area

• A network infrastructure that provides access in a small geographic area

• A network infrastructure designed to provide data storage, retrieval, and replication

A network administrator has been tasked with creating a disaster recovery plan. As part of this plan, the administrator is looking for a backup site for all of the data on the company servers. What service or technology would support this requirement?

• Data center

• Virtualization

• Dedicated servers

• Software defined networking

Which type of OSPF packet is used by a router to discover neighbor routers and establish neighbor adjacency?

• Link-state update

• Hello

• Database description

• Link-state request