Modules 1 - 3: Basic Network Connectivity and Communications Exam Study Guide

What are three characteristics of an SVI(Switch Virtual Interface)?

-It is not associated with any physical interface on a switch -It provides a means to remotely manage a switch -It is associated with VLAN1 by default.

Traits of user EXEC mode?

-Limited number of basic monitoring commands -The first entrance into the CLI of an IOS device

What commands must you issue to configure a SVI(Switch virtual interface) with an IP address?

-inteface vlan 1 -ip address 192.168.1.1 255.255.255.0 -no shutdown

what are two characteristics of RAM on a cisco device?

-the configuration that is actively running on the device is stored in RAM -the contents of RAM are lost during a power cycle

What is the IP address of the switch virtual interface (SVI) on Switch0?

192.168.5.10

Which statement describes the use of powerline networking technology?

A device connects to an existing home LAN using an adapter and an existing electrical outlet

A web client is receiving a response for a web page from a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to decode the received transmission?

Ethernet, IP, TCP, HTTP

What term describes a type of network used by people who work from home or from a small remote office?

SOHO network

How is SSH different from Telnet?

SSH provides security to remote sessions by encrypting messages and using user authentication. Telnet is considered insecure and sends messages in plaintext

What two criteria are used to help select a network medium from various network media?

The distance the selected medium can successfully carry a signal The environment where the selected medium is to be installed

IANA

This organization is responsible for overseeing and managing IP address allocation, domain name management, and protocol identifiers

What is an advantage of network devices using open standard protocols?

a client host and server running different operating systems can successfully exchange data

In the show running-config command, which part of the syntax is represented by running-config

a keyword

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

data link layer

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

data link layer

What process involves placing one PDU inside of another PDU

encapsulation

Which PDU format is used when bits are received from the network medium by the NIC of a host?

frame

What term describes a network where on computer can be both client and server?

peer-to-peer

What term describe a policy that allows network devices to manage the flow of data to give priority to voice and video?

quality of service(Qos)

Which name is assigned to the transport layer PDU?

segment

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

show ip interface brief

Which event comes third when a telnet message is being prepared to be sent over the network?

the IP header is added

Which event comes fourth when a telnet message is being prepared to be sent over the network?

the ethernet header is added

What type of network traffic requires QoS?

video conferencing

traits of privileged EXEC mode

-Accessed by entering the enable command -Identified by a prompt ending with the # character

Which two hostnames follow the guidelines for naming conventions on Cisco IOS devices?

-RM-3-Switch-2A4 -SwBranch799

Which device performs the function of determining the path that messages should take through internetworks?

a router

fault tolerance

provides redundant links and devices

what does the exit command do?

returns you to the previous level you were at

Which interface allows remote management of a layer 2 switch?

the SVI

What is a characteristic of multicast messages?

they are sent to a select group of hosts

What command will prevent all unencrypted passwords from displaying in plain text in a configuration file?

(config)# service password-encryption

global config mode

-Changes made affect the operation of the device as a whole -Accessed by entering the configure terminal commands

Refer to the exhibit. ServerB is attempting to contact HostA. Which two statements correctly identify the addressing that ServerB will generate in the process?

-ServerB will generate a frame with the destination MAC address of RouterB -ServerB will generate a packet with the destination IP address of HostA

An admin is configuring a switch console port with a password. In what order will the administrator travel through the IOS modes of operation in order to reach the mode in which the configuration commands will be entered

-User EXEC mode(first mode) -Privileged EXEC mode (second mode) -Global config mode(third mode) -Line configuration mode(final mode)

What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)

DHCP, DNS, FTP

Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?

Segments are sent from the transport layer to the internet layer

Which event comes second when a telnet message is being prepared to be sent over the network?

The TCP header is added

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

The new configuration will be loaded if the switch is restarted

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

This command prevents someone from viewing the running configuration passwords

ISOC

This organization promotes the open development, evolution, and use of the Internet throughout the world.

Passwords can be used to restrict access to all parts of the Cisco IOS. Select the modes and interface that can be protected with passwords.

VTY interface, console, interface, privileged EXEC mode

Ctrl-Shift-6

aborts commands such as trace and ping

An employee at a branch office is creating a quote for a customer. In order to do this, the employee needs to access confidential pricing information from internal servers at the Head Office. What type of network would the employee access?

an intranet

At which OSI layer is data added to a PDU during the encapsulation process?

application layer

What term describes a computing model where server software runs on dedicated computers?

client/server

Which two OSI model layers have the same functionality as a single layer of the TCP/IP model? (Choose two.)

data link, physical

space bar

displays the next screen

scalability

expand the network without degrading the service for existing users

What term describes a network owned by one organization that provides safe and secure access to individuals who work for a different organization?

extranet

What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly?

flow control

DSL

high bandwidth connection that runs over telephone line

A user is implementing security on a small office network. What two actions would provide the minimum security requirements for this network?

implementing a firewall installing antivirus software

What layer is responsible for routing messages through an internetwork in the TCP/IP model?

internet

What term describes a private collection of LANs and WANs that belongs to an organization?

intranet

While trying to solve a network issue, a technician made multiple changes to the current router configuration file. The changes did not solve the problem and were not saved. What action can the technician take to discard the changes and work with the file in NVRAM?

issue the reload command without saving the running configuration

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

network layer

At which OSI layer is a source IP address added to a PDU during the encapsulation process?

network layer

At which layer of the OSI model would a logical address be added during encapsulation?

network layer

satellite

not suited for heavily wooded areas

When IPv4 addressing is manually configured on a web server, which property of the IPv4 configuration identifies the network and host portion for an IPv4 address?

subnet mask

Which event comes first when a telnet message is being prepared to be sent over the network?

the Telnet-formatted data is provided to the next layer

Which statement is correct about network protocols?

they define how messages are exchanged between the source and the destination

ISO

this organization is the largest developer of international standards in the world for a wide variety of products and services. it is known for its Open Systems Interconnection (OSI) reference model

Why would a Layer 2 switch need an IP address?

to enable the switch to be managed remotely

At which OSI layer is a destination port number added to a PDU during the encapsulation process?

transport layer

At which OSI layer is a source port number added to a PDU during the encapsulation process?

transport layer

Dialup telephone

typically has very low bandwidth

cable

uses coaxial cable as a medium