Network Representations and Topologies
Which of the following statements are true regarding network layer and data link layer addresses? (Choose three.)
. Network layer addresses are logical and data link addresses are expressed as 12 hexadecimal digits. Data link layer addresses are physical and network layer addresses are logical. Network layer addresses are either 32 or 128 bits in length.
How is an IPv4 address represented?
. four decimal numbers between 0 and 255 separated by periods.
Which access method would be the most appropriate if you call your manager to tell him you cannot access your router in another city over the internet and he provides you with the information to access the router through a telephone connection?
Aux
Which feature describes using personal tools to access information and communicate across a business or campus network?
BYOD
. Which two commands would return you to the privileged EXEC prompt regardless of the configuration mode you are in? (Choose two.)
CTRL+Z end
Which feature contains options such as public, private, custom, and hybrid?
Cloud computing
Which access method would be most appropriate if you were in the equipment room with a new switch that needs to be configured?
Console
Which access method would be most appropriate if your manager gave you a special cable and told you to use it to configure the switch?
Console
Which two protocols are service discovery protocols? (Choose two.)
DNS DHCP
Which two protocols belong in the TCP/IP model application layer?
DNS DHCP
Which attack slows down or crashes equipment and programs? Firewall Virus, worm, or Trojan horse Zero-day or Zero-hour Virtual Private Network (VPN) Denial of Service (DoS)
Denial of Service (DoS)
What is the process of converting information into the proper form for transmission? Formatting Encoding Encapsulation
Encoding
hich protocol operates at the network access layer of the TCP/IP model?
Ethernet
Which network infrastructure might an organization use to provide secure and safe access to individuals who work for a different organization but require access to the organization's data?
Extranet
True or false? The right-most part of an IP address is used to identify the network that a device belongs to.
False
Which option blocks unauthorized access to your network?
Firewall
Which three are components of message timing? (Choose three.)
Flow control Access method Response timeout
Which step of the communication process is concerned with properly identifying the address of the sender and receiver?
Formatting
Which of the following are protocols that provide feedback from the destination host to the source host regarding errors in packet delivery? (Choose two.)
ICMPv4 ICMPv6
A device receives a data link frame with data and processes and removes the Ethernet information. What information would be the next to be processed by the receiving device?
IP at the internet layer
Which connections are specialized ports on a networking device that connect to individual networks?
Interface (correct)
This standards organization is responsible for IP address allocation and domain name management.
Internet Assigned Numbers Authority (IANA)
This standards organization is concerned with the Request for Comments (RFC) documents that specify new protocols and update existing ones.
Internet Engineering Task Force (IETF)
Which network infrastructure provides access to users and end devices in a small geographical area, which is typically a network in a department in an enterprise, a home, or small business?
LAN
Which type of network topology lets you see which end devices are connected to which intermediary devices and what media is being used?
Logical
Which delivery method is used to transmit information to one or more end devices, but not all devices on the network?
Multicast
1. Which connection physically connects the end device to the network?
NIC
Which type of network topology lets you see the actual location of intermediary devices and cable installations? \
Physical topology
Which feature is being used when connecting a device to the network using an electrical outlet?
Powerline
With which type of policy, a router can manage the flow of data and voice traffic, giving priority to voice communications if the network experiences congestion?
QoS
Which services are provided by the internet layer of the TCP/IP protocol suite? (Choose three.)
Routing Protocols Messaging Internet Protocol
. When designers follow accepted standards and protocols, which of the four basic characteristics of network architecture is achieved? Scalability
Scalability
Confidentiality, integrity, and availability are requirements of which of the four basic characteristics of network architecture?
Security
This protocol is responsible for guaranteeing the reliable delivery of information.
TCP
Which access method would be the most appropriate for in-band access to the IOS over a network connection?
Telnet/SSH
Standards organizations are usually vendor-neutral.
True
True or false? Frames exchanged between devices in different IP networks must be forwarded to a default gateway.
True
Which feature is a good conferencing tool to use with others who are located elsewhere in your city or even in another country?
Video communications
Which option creates a secure connection for remote workers? Firewall Virus, worm, or Trojan horse Zero-day or Zero-hour Virtual Private Network (VPN) Denial of Service (DoS)
Virtual Private Network (VPN)
Which option describes malicious code running on user devices? Firewall Virus, worm, or Trojan horse Zero-day or Zero-hour Virtual Private Network (VPN) Denial of Service (DoS)
Virus, worm, or Trojan horse
Which network infrastructure provides access to other networks over a large geographical area, which is often owned and managed by a telecommunications service provider?
WAN
Which feature uses the same cellular technology as a smart phone? Smart home technology Powerline Wireless broadband
Wireless broadband
Which is the command to configure a banner to be displayed when connecting to a switch?
banner motd $ Keep out $
Which protocol stack layer encapsulates data into frames?
data link
What is the order of the two addresses in the data link frame?
destination MAC, source MAC
What is the structure of an IPv4 address called?
dotted-decimal format
Which option describes a network attack that occurs on the first day that a vulnerability becomes known?
e Zero-day or Zero-hour
What types of standards are developed by the Electronics Industries Alliance (EIA)?
electric wiring and connectors
How is the privileged EXEC mode access secured on a switch?
enable secret class
What is the name of the process of adding protocol information to data as it moves down the protocol stack? de-encapsulation sequencing segmentation encapsulation
encapsulation
Having multiple paths to a destination is known as redundancy. This is an example of which characteristic of network architecture? fault tolerance Scalability QoS Security
fault tolerance
Which IOS mode are you in if the Switch(config)# prompt is displayed?
global configuration mode
What is the command to assign the name "Sw-Floor-2" to a switch?
hostname Sw-Floor-2
. Which command enables password authentication for user EXEC mode access on a switch?
login
. Which IOS mode allows access to all commands and features? global configuration mode interface subconfiguration mode line console subconfiguration mode privileged EXEC mode user EXEC mode
privileged EXEC mode
BGP and OSPF are examples of which type of protocol?
routing
What is the PDU associated with the transport layer?
segment
What is the process of dividing a large data stream into smaller pieces prior to transmission?
segmentation
Which command encrypts all plaintext passwords access on a switch?
service password-encryption
What is used to determine the network portion of an IPv4 address?
subnet mask
What type of interface has no physical port associated with it?
switch virtual interface (SVI)
What is the purpose of the sequencing function in network communication?
to uniquely label transmitted segments of data for proper reassembly by the receiver
UDP and TCP belong to which layer of the TCP/IP protocol?
transport
Which IOS mode are you in if the Switch> prompt is displayed?
user EXEC mode