Exam 2 & 3 (38 and down) questions and answers

Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI? (Choose two.)

displaying a list of all available commands within the current mode determining which option, keyword, or argument is available for the entered command*

Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI?

displaying a list of all available commands within the current mode determining which option, keyword, or argument is available for the entered command

What process is used to place one message inside another message for transfer from the source to the destination

encapsulation

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

exit

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

Why is it important to configure a hostname on a device?

to identify the device during remote access (SSH or telnet)

To what subnet does the IP address 10.1.100.50 belong if a subnet mask of 255.255.0.0 is used?

10.1.100.32

Which three layers of the osi model are comparable in function to the application layer of the tcp/ip model

1. Application 2. Presentation 3. Session

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.

1.VTY interface 2.console interface 3.privileged EXEC mode

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

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

What is a characteristic of a switch virtual interface (SVI)

An SVI is created in software and requires a configured IP address and a subnet mask in order to provide remote access to the switch.

What three application layer protocols are part of the TCP/IP protocol suite?

DHCP DNS FTP

Which address does a NIC use when deciding whether to accept a frame?

Destination MAC address.

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

Frame

A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission?

HTTP, TCP, IP, Ethernet

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.

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.

Which statement is true about the running configuration file in a Cisco IOS device?

It affects the operation of the device immediately when modified.

How does the service password-encryption command enhance password security on Cisco routers and switches?

It encrypts passwords that are stored in router or switch configuration files.

What is an advantage of using standards to develop and implement protocols?

Products from different manufacturers can interoperate successfully.

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

RM-3-Switch-2A4* SwBranch799*

A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen?

SSH

A technician is adding a new PC to a LAN. After unpacking the components and making all the connections, the technician starts the PC. After the OS loads, the technician opens a browser, and verifies that the PC can reach the Internet. Why was the PC able to connect to the network with no additional configuration?

The PC was preconfigured to use DHCP.

Which statement is true about the TCP/IP and OSI models?

The TCP/IP transport layer and OSI Layer 4 provide similar services and functions

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.

Which information does the show startup-config command display?​

The contents of the saved configuration file in the NVRAM

ISOC ISO IANA

The organization promotes the open development, evolution, and use of the internet throughout the world This organization is the largest developer of international standars in the world for a wide variety of products and services. It is know for its Open System Interconnection (OSI) reference model. This organization is responsible for overseeing and managing IP address allocation, domain name management, and protocol identifiers

Which statement is correct about network protocols?

They define how messages are exchanged between the source and the destination.

Refer to the exhibit. A network administrator is configuring the MOTD on switch SW1. What is the purpose of this command?

To display a message when a user accesses the switch

Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment?

Use the console port to locally access the switch from a serial or USB interface of the PC.

Which type of access is secured on a Cisco router or switch with the enable secret command?

Virtual terminal

What will happen if the default gateway address is incorrectly configured on a host?

a host cannot communicate with host in other networks

Which functionality is provided by DHCP?

automatic assignment of an IP address to each host

What type of communication will send a message to all devices on a local area network?

broadcast

What is a user trying to determine when issuing a ping 10.1.1.1 command on a PC?

if there is connectivity with the destination device

What is a user trying to determine when issuing a ping command on a PC?

if there is connectivity with the destination device

What command can be used on a Windows PC to see the IP configuration of that computer?

inconfig

At which layer of the OSI model would a logical address be encapsulated?

network layer

Which memory location on a Cisco router or switch stores the startup configuration file?

nvram

Application Protocol Internet Protocol network access protocols transport protocol

preparing packets to be transmitted over the network media managing the individuals conversation web servers and web clients governing the way a web server and a web client server interact taking the segments from the transport protocol, encapsulating into packets, and assigning them with the appropriate addresses

What are proprietary protocols?

protocols developed by organizations who have control over their definition and operation

Up arrow ? Ctrl Shift 6 Space bar Tab

scrolls backwards through previously entered commands provides context-sensitive help aborts commands such as trace and ping displays the next screen completes abbreviated commands and parameters

privileged EXEC mode line configuration mode global configuration mode user EXEC mode

second final third first

Which PDU is processed when a host computer is de-encapsulating a message at the transport layer of the TCP/IP model?

segment

Which information does the show startup-config command display?

the contents of the saved configuration file in the NVRAM

What is the function of the kernel of an operating system?

the kernel provisions hardware resources to meet software requirements

Which characteristic describes the default gateway of a host computer?

the logical address of the router interface on the same network as the host computer

message encoding message encapsulation message sizing

the process of converting information from one format into another acceptable for transmission the process of placing one message format inside another message format the process of breaking up a long message into individual pieces before being sent over the network

A network administrator for a small campus network has issued the show ip interface brief command on a switch. What is the administrator verifying with this command?

the status of the switch interfaces and the address configured on interface vlan 1*

Which interface allows remote management of a Layer 2 switch?

the switch virtual interface

Why would a Layer 2 switch need an IP address?

to enable the switch to be managed remotely

A router with a valid operating system contains a configuration file stored in NVRAM. The configuration file has an enable secret password but no console password. When the router boots up, which mode will display?

user EXEC mode

A router with a valid operating system contains a configuration file stored in NVRAM. The configuration file has an enable secret password but no console password. When the router boots up, which mode will display?

user exec mode

Which interface is the default SVI on a Cisco switch?

vlan1