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WorksheetsNetAcad Quiz Questions
Total questions: 48
Worksheet time: 24mins
In which alternative to DHCPv6 does a router dynamically provide IPv6 configuration information to hosts? 7.2.4
ARP
EUI-64
ICMPv6
SLAAC
Which two types of devices are typically assigned static IP addresses? (Choose two.) 7.1.3
workstations
web servers
printers
hubs
laptops
Which network migration technique encapsulates IPv6 packets inside IPv4 packets to carry them over IPv4 network infrastructures? 7.2.1
encapsulation
translation
dual-stack
tunneling
Which type of IPv6 address is not routable and used only for communication on a single subnet? 7.2.3
global unicast address
link-local address
loopback address
unique local address
unspecified address
An IPv6 enabled device sends a data packet with the destination address of FF02::1. What is the target of this packet? 7.2.5
the one IPv6 device on the link that has been uniquely configured with this address
all IPv6 enabled devices on the local link or network
only IPv6 DHCP servers
only IPv6 configured routers
A user who is unable to connect to the file server contacts the help desk. The helpdesk technician asks the user to ping the IP address of the default gateway that is configured on the workstation. What is the purpose for this ping command? 7.3.2
to obtain a dynamic IP address from the server
to request that gateway forward the connection request to the file server
to test that the host has the capability to reach hosts on other networks
to resolve the domain name of the file server to its IP address
What is an ISP? 1.2.4
It is a standards body that develops cabling and wiring standards for networking.
It is a protocol that establishes how computers within a local network communicate.
It is an organization that enables individuals and businesses to connect to the Internet.
It is a networking device that combines the functionality of several different networking devices in one.
How does BYOD change the way in which businesses implement networks? 1.4.1
BYOD requires organizations to purchase laptops rather than desktops.
BYOD users are responsible for their own network security, thus reducing the need for organizational security policies.
BYOD devices are more expensive than devices that are purchased by an organization.
BYOD provides flexibility in where and how users can access network resources.
An employee wants to access the network of the organization remotely, in the safest possible way. What network feature would allow an employee to gain secure remote access to a company network? 1.4.3
ACL
IPS
VPN
BYOD
Which three devices are considered end devices in a network? (Choose three.) 1.2.1
router
switch
VoIP phone
security camera
TelePresence endpoint
A college is building a new dormitory on its campus. Workers are digging in the ground to install a new water pipe for the dormitory. A worker accidentally damages a fiber optic cable that connects two of the existing dormitories to the campus data center. Although the cable has been cut, students in the dormitories only experience a very short interruption of network services. What characteristic of the network is shown here? 1.3.2
quality of service (QoS)
scalability
security
fault tolerance
integrity
What are two characteristics of a scalable network? (Choose two.) 1.3.2
easily overloaded with increased traffic
grows in size without impacting existing users
is not as reliable as a small network
suitable for modular devices that allow for expansion
offers limited number of applications
Which statement describes a characteristic of a converged network? 1.3.1
A single network that delivers voice, video, and data to a variety of devices.
Network services are delivered over a wide range of network platforms.
The network establishes separate communication channels for each network service.
The network uses different technologies for voice, video, and data.
What is a WAN? 1.2.2
a network infrastructure designed to provide data storage, retrieval, and replication
a network infrastructure that provides access to other networks over a large geographic area
a network infrastructure that spans a limited physical area such as a city
a network infrastructure that provides access in a small geographic area
During a routine inspection, a technician discovered that software that was installed on a computer was secretly collecting data about websites that were visited by users of the computer. Which type of threat is affecting this computer? 1.4.3
DoS attack
identity theft
spyware
zero-day attack
In which scenario would the use of a WISP be recommended?
an Internet cafe in a city
a farm in a rural area without wired broadband access
any home with multiple wireless devices
an apartment in a building with cable access to the Internet
Why would a technician enter the command copy startup-config running-config? 2.2.3
to remove all configurations from the switch
to save an active configuration to NVRAM
to copy an existing configuration into RAM
to make a changed configuration the new startup configuration
Which device acts as a gateway to allow hosts to send traffic to remote IP networks? 2.3.1
DNS server
DHCP server
local router
local switch
An IT technician has manually configured an IP address on a laptop for a new employee. Each time the employee tries to connect to the LAN, the employee receives a duplicate IP address error message. What can the company do to prevent this situation from arising again?
Configure the IP address on an SVI on the laptop.
Use a virtual private network instead of the company LAN
Use DHCP to automatically assign addresses.
Use laptops that do not require IP addresses.
What command will prevent all unencrypted passwords from displaying in plain text in a configuration file? 2.2.2
(config)# enable password secret
(config)# enable secret Secret_Password
(config-line)# password secret
(config)# service password-encryption
(config)# enable secret Encrypted_Password
An administrator has just changed the IP address of an interface on an IOS device. What else must be done in order to apply those changes to the device? 2.2.3
Copy the running configuration to the startup configuration file.
Copy the information in the startup configuration file to the running configuration.
Reload the device and type yes when prompted to save the configuration.
Nothing must be done. Changes to the configuration on an IOS device take effect as soon as the command is typed correctly and the Enter key has been pressed.
True or False?
Mobile devices do not require IP addresses to communicate on the Internet. 2.3.1
True
False
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? 2.3.2
Telnet access
SVI
password encryption
physical switchport access
How is SSH different from Telnet? 2.1.2
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.
What layer of the TCP/IP protocol model determines the best path through the network? 3.2.4
application
transport
internet
network access
What type of delivery uses data link layer addresses? 3.3.2
remote delivery
local and remote delivery
local delivery
remote delivery using routers
Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices? 3.2.4
application
presentation
session
transport
What type of message is sent to a specific group of hosts? 3.1.1
static
unicast
dynamic
multicast
At which layer of the OSI model would a physical address be encapsulated? 3.3.2
physical layer
data link layer
network layer
transport layer
Which logical address is used for delivery of data to a remote network? 3.3.2
destination MAC address
destination IP address
destination port number
source MAC address
source IP address
What three requirements are defined by the protocols used in network communcations to allow message transmission across a network? (Choose three.) 3.1.1
connector specifications
message encoding
media selection
message size
delivery options
Which message delivery option is used when all devices need to receive the same message simultaneously? 3.1.1
duplex
unicast
multicast
broadcast
What is the general term that is used to describe a piece of data at any layer of a networking model? 3.3.1
frame
packet
protocol data unit
segment
What is the purpose of protocols in data communications? 3.1.1
specifying the bandwidth of the channel or medium for each type of communication
specifying the device operating systems that will support the communication
providing the rules required for a specific type of communication to occur
dictating the content of the message sent during communication
If the default gateway is configured incorrectly on the host, what is the impact on communications? 3.3.2
The host is unable to communicate on the local network.
The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.
The host can communicate with other hosts on remote networks, but is unable to communicate with hosts on the local network.
There is no impact on communications.
Why are open standards important in the data communications industry? 3.2.3
They are required for devices to gain access to the Internet.
They eliminate the threat of security breaches.
They enable interoperability between software and hardware from different vendors.
They encourage network organizations to develop proprietary software to retain their competitive edge.
Which method of data transfer allows information to be sent and received at the same time? 4.4.3
multiplex
simplex
full duplex
half duplex
What is a characteristic of a WAN hub-and-spoke topology? 4.4.2
All sites require a hub device that connects to a router.
The branch sites are connected to a central site through point-to-point links.
It requires that some of the branch sites be interconnected through point-to-point links.
It requires that every site be interconnected to each other through point-to-point links.
Which two factors influence the method that is used for media access control? (Choose two.) 4.4.1
how signals are encoded by the NICs on end devices
how the IP protocol forwards the packet to the destination
how the connection between nodes appears to the data link layer
how data is generated by end devices applications
how nodes share the media
What is the purpose of the OSI physical layer? 4.1.2
controlling access to media
exchanging frames between nodes over physical network media
transmitting bits across the local media
performing error detection on received frames
Which is a function of the Logical Link Control (LLC) sublayer? 4.3.1
to identify which network layer protocol is being used
to define the media access processes that are performed by the hardware
to provide data link layer addressing
to accept segments and package them into data units that are called packets
A network team is comparing topologies for connecting on a shared media. Which physical topology is an example of a hybrid topology for a LAN? 4.4.3
extended star
partial mesh
bus
ring
What method is used to manage contention-based access on a wireless network? 4.2.4
CSMA/CD
CSMA/CA
priority ordering
token passing
What type of cable is used to connect a workstation serial port to a Cisco router console port? 4.2.2
coaxial
rollover
crossover
straight-through
Which statement correctly describes frame encoding? 4.1.3
It converts bits into a predefined code in order to provide a predictable pattern to help distinguish data bits from control bits.
It transmits data signals along with a clock signal which occurs at evenly spaced time durations.
It uses the characteristic of one wave to modify another wave.
It generates the electrical, optical, or wireless signals that represent the binary numbers of the frame.
A network administrator is designing a new network infrastructure that includes both wired and wireless connectivity. Under which situation would a wireless connection be recommended? 4.1.1
The end-user device only has an Ethernet NIC.
The end-user device needs mobility when connecting to the network.
The end-user device area has a high concentration of RFI.
The end-user device requires a dedicated connection because of performance requirements.
What makes fiber preferable to copper cabling for interconnecting buildings? (Choose three.) 4.2.3
durable connections
greater distances per cable run
easily terminated
greater bandwidth potential
limited susceptibility to EMI/RFI
Which statement describes a characteristic of the frame header fields of the data link layer? 4.4.4
They all include the flow control and logical connection fields.
They include information on user applications.
They vary depending on protocols.
Ethernet frame header fields contain Layer 3 source and destination addresses.
