Question

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.
Delete the vlan.dat file and reboot the device.
Close and reopen the terminal emulation software.
Issue the copy startup-config running-config command.

Question

An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?

to restart the ping process
to interrupt the ping process
to exit to a different configuration mode
to allow the user to complete the command

Question

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

a router
a firewall
a web server
a DSL modem

Question

Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords. (Choose three.)

VTY interface
Console interface
Ethernet interface
Boot IOS mode
Privileged EXEC mode
Router configuration mode

Question

Why would a Layer 2 switch need an IP address?

to enable the switch to send broadcast frames to attached PCs
to enable the switch to function as a default gateway
to enable the switch to be managed remotely
to enable the switch to receive frames from attached PCs

Question

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

(config)# enable password secret
(config)# enable secret Secret_Password
(config-line)# password secret
(config)# service password-encryption
(config)# enable secret Encrypted_Password

Question

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

Question

A CLI output that says the following: Switch1> config t ^ % Invalid input detected at '^' marker. The ^ is under the "f" in the word "config"

Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?

The entire command, configure terminal, must be used.
The administrator is already in global configuration mode.
The administrator must first enter privileged EXEC mode before issuing the command.
The administrator must connect via the console port to access global configuration mode.

Question

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

encapsulation
flow control
access method
response timeout

Question

Which statement is correct about network protocols?

Network protocols define the type of hardware that is used and how it is mounted in racks.
They define how messages are exchanged between the source and the destination.
They all function in the network access layer of TCP/IP.
They are only required for exchange of messages between devices on remote networks.

Question

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

Data is sent from the internet layer to the network access layer.
Packets are sent from the network access layer to the transport layer.
Segments are sent from the transport layer to the internet layer.
Frames are sent from the network access layer to the internet layer.

Question

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

file
frame
packet
segment

Question

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

Network communications is confined to data transfers between devices from the same vendor.
A client host and a server running different operating systems can successfully exchange data.
Internet access can be controlled by a single ISP in each market.
Competition and innovation are limited to specific types of products.

Question

What function does pressing the Tab key have when entering a command in IOS?

It aborts the current command and returns to configuration mode.
It exits configuration mode and returns to user EXEC mode.
It moves the cursor to the beginning of the next line.
It completes the remainder of a partially typed word in a command.

Question

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

ARP
DHCP
DNS
FTP
NAT
PPP

Question

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.

Question

Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode?

letmein
secretin
lineconin
linevtyin

Question

Match the description to the organization.

This organization promotes the open development, evolution, and use of the Internet throughout the world. → ISOC
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. → ISO
This organization is responsible for overseeing and managing IP address allocation, domain name management, and protocol identifiers. → IANA

Question

Which name is assigned to the transport layer PDU?

bits
data
frame
packet
segment

Question

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

implementing a firewall
installing a wireless network
installing antivirus software
implementing an intrusion detection system
adding a dedicated intrusion prevention device

Question

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?

DNS server address
Subnet mask
Default gateway
DHCP server address

Question

Match the requirements of a reliable network with the supporting network architecture.

security → Protect the network from unauthorized access.
fault tolerance → Provide redundant links and devices.
scalability → Expand the network without degrading the service for existing users.

Question

A technician configures a switch with these commands:

SwitchA(config)# interface vlan 1
SwitchA(config-if)# ip address 192.168.1.1 255.255.255.0
SwitchA(config-if)# no shutdown

What is the technician configuring?

Telnet access
SVI
Password encryption
Physical switchport access

Question

Which command or key combination allows a user to return to the previous level in the command hierarchy?

End
Exit
Ctrl-Z
Ctrl-C

Question

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
the Internet
an extranet
a local area network

Question

What type of network traffic requires QoS?

email
on-line purchasing
video conferencing
wiki

Question

What are two characteristics of RAM on a Cisco device? (Choose two.)

RAM provides nonvolatile storage.
The configuration that is actively running on the device is stored in RAM.
The contents of RAM are lost during a power cycle.
RAM is a component in Cisco switches but not in Cisco routers.
RAM is able to store multiple versions of IOS and configuration files.

Question

Which two host names follow the guidelines for naming conventions on Cisco IOS devices? (Choose two.)

Branch2!
RM-3-Switch-2A4
Floor(15)
HO Floor 17
SwBranch799

Question

Which statement describes the use of powerline networking technology?

New "smart" electrical cabling is used to extend an existing home LAN.
A home LAN is installed without the use of physical cabling.
A device connects to an existing home LAN using an adapter and an existing electrical outlet.
Wireless access points use powerline adapters to distribute data through the home LAN.

Question

A networking technician is working on the wireless network at a medical clinic. The technician accidentally sets up the wireless network so that patients can see the medical records data of other patients. Which of the four network characteristics has been violated in this situation?

Fault tolerance
Scalability
Security
Quality of Service (QoS)
Reliability

Question

How is SSH different from Telnet?

SSH makes connections over the network, whereas Telnet is for out-of-band access.
SSH provides security to remote sessions by encrypting messages and using user authentication. Telnet is considered insecure and sends messages in plaintext.
SSH requires the use of the PuTTY terminal emulation program. Tera Term must be used to connect to devices through the use of Telnet.
SSH must be configured over an active network connection, whereas Telnet is used to connect to a device from a console connection.

Question

An administrator 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?

second mode → privileged EXEC mode
final mode → line configuration mode
third mode → global configuration mode
first mode → user EXEC mode

Question

What are three characteristics of an SVI? (Choose three.)

It is designed as a security protocol to protect switch ports.
It is not associated with any physical interface on a switch.
It is a special interface that allows connectivity by different types of media.
It is required to allow connectivity by any device at any location.
It provides a means to remotely manage a switch.
It is associated with VLAN1 by default.

Question

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

ipconfig
ping
traceroute
show ip interface brief

Question

What process involves placing one PDU inside of another PDU?

encapsulation
encoding
segmentation
flow control

Question

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

internet
transport
network access
session

Question

Match each characteristic to its corresponding Internet connectivity type.

high bandwidth connection that runs over telephone line → DSL
typically has very low bandwidth → dialup telephone
not suited for heavily wooded areas → satellite
uses coaxial cable as a medium → cable

Question

Match the definitions to their respective CLI hot keys and shortcuts.

completes abbreviated commands and parameters → Tab
displays the next screen → Space bar
scrolls backwards through previously entered commands → Up Arrow
provides context-sensitive help → ?
aborts commands such as trace and ping → Ctrl-Shift-6

Question

For the TCP/IP protocol suite, what is the correct order of events when a Telnet message is being prepared to be sent over the network?

The Telnet-formatted data is provided to the next layer. → First
The TCP header is added. → Second
The IP header is added. → Third
The Ethernet header is added. → Fourth

Question

What two criteria are used to help select a network medium from various network media? (Choose two.)

the types of data that need to be prioritized
the cost of the end devices utilized in the network
the distance the selected medium can successfully carry a signal
the number of intermediate devices installed in the network
the environment where the selected medium is to be installed

Question

HostA is connected to RouterA through SwitchA. RouterA connects to RouterB via a serial link. RouterB is connected to ServerB through SwitchB.

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

ServerB will generate a packet with the destination IP address of RouterB.
ServerB will generate a frame with the destination MAC address of SwitchB.
ServerB will generate a packet with the destination IP address of RouterA.
ServerB will generate a frame with the destination MAC address of RouterB.
ServerB will generate a packet with the destination IP address of HostA.
ServerB will generate a frame with the destination MAC address of RouterA.

Question

Which method allows a computer to react accordingly when it requests data from a server and the server takes too long to respond?

encapsulation
flow control
access method
response timeout

Question

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
HTTP, TCP, IP, Ethernet
Ethernet, TCP, IP, HTTP
HTTP, Ethernet, IP, TCP

Question

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

data link
network
physical
session
transport

Question

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

physical layer
data link layer
network layer
transport layer

Question

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

the command
a keyword
a variable
a prompt

Question

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.

Question

PT Activity

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.

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

192.168.5.10
192.168.10.5
192.168.10.1
192.168.5.0

Question

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

Extranet
Cloud
BYOD
Quality of service

Question

What term describes storing personal files on servers over the internet to provide access anywhere, anytime, and on any device?

Cloud
BYOD
Quality of service
Converged network

Question

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

Peer-to-peer
Cloud
BYOD
Quality of service

Question

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

SOHO network
BYOD
Quality of service
Converged network

Question

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

client/server
internet
intranet
extranet

Question

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

SOHO network
Internet
Intranet
Extranet

Question

What term describes a technology that allows devices to connect to the LAN using an electrical outlet?

powerline networking
internet
intranet
extranet

Question

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

quality of service
internet
intranet
extranet

Question

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

intranet
internet
extranet
peer-to-peer

Question

What term describes the ability to use personal devices across a business or campus network?

BYOD
Internet
Intranet
Extranet

Question

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

network layer
data link layer
transport layer
application layer

Question

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

transport layer
data link layer
network layer
application layer

Question

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

application layer
data link layer
network layer
transport layer

Question

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

network layer
data link layer
application layer
presentation layer

Question

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

application layer
transport layer
network layer
presentation layer

Question

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

network layer
application layer
transport layer
presentation layer

Question

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

data link layer
application layer
transport layer
presentation layer

Question

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

transport layer
application layer
network layer
presentation layer

Question

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

data link layer
transport layer
application layer
network layer

Question

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

transport layer
network layer
application layer
data link layer

Question

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.
This command provides an exclusive encrypted password for external service personnel who are required to do router maintenance.