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Worksheetshehe network+ quiz n10-008
Total questions: 157
Worksheet time: 1hrs 19mins
Which layer of the OSI model is responsible for providing the hardware means of sending and receiving data on a carrier?
Layer 1 – Physical
Layer 2 – Data link
Layer 3 – Network
Layer 4 – Transport
What is the correct sequence of layers in the OSI model from the top layer to the bottom layer?
Application, Presentation, Session, Transport, Network, Data link, Physical
Physical, Data link, Network, Transport, Session, Presentation, Application
Application, Presentation, Transport, Session, Network, Data link, Physical
Presentation, Application, Session, Transport, Network, Data link, Physical
Which of the following is a characteristic of a mesh network topology?
Devices are connected to a central hub
Each device is connected to every other device
Devices are connected in a linear sequence
Devices are connected in a closed loop
What is the maximum size of data that can be transmitted at once referred to as in the OSI model context?
Payload
Ethernet header
TCP flags
Maximum transmission unit (MTU)
Which of the following is a type of network that covers a large geographical area, often a country or continent?
Local area network (LAN)
Metropolitan area network (MAN)
Wide area network (WAN)
Personal area network (PAN)
What is the term used for a network that connects computers across a city or a large campus?
Local area network (LAN)
Metropolitan area network (MAN)
Wide area network (WAN)
Campus area network (CAN)
Which technology is used to create a virtual version of a computer hardware platform, operating system, storage device, or network resources?
Hypervisor
Virtual network interface card (vNIC)
Network function virtualization (NFV)
vSwitch
What type of network is specifically designed to transmit data between storage devices and servers within an enterprise?
Storage area network (SAN)
Wide area network (WAN)
Local area network (LAN)
Personal area network (PAN)
Which of the following is not a type of service-related entry point?
Demarcation point
Smartjack
Hypervisor
vSwitch
Which category of twisted pair cable is the highest mentioned in the image?
Cat 5
Cat 6a
Cat 7
Cat 8
What does the termination standard TIA/EIA-568B specify?
A type of fiber cable
A type of coaxial cable
A connector type
A cabling standard
Which of the following is not a type of fiber mentioned in the image?
Single-mode
Multimode
Coaxial
Twisted pair
What type of connector is RJ45?
Fiber connector
Coaxial cable connector
Twisted pair cable connector
Transceiver
Which of the following is a type of transceiver mentioned in the image?
F-type connector
RJ11
Small form-factor pluggable (SFP)
TIA/EIA-568A
Which of the following is not a type of punchdown block listed in the cable management section?
66
110
Krone
101
What Ethernet standard is categorized under copper and supports a transmission rate of 10 Gbps?
10BASE-T
100BASE-TX
1000BASE-T
10GBASE-T
Which of the following is a standard for fiber optic Ethernet?
100BASE-TX
1000BASE-LX
10GBASE-T
40GBASE-T
What does CWDM stand for in the context of Ethernet standards for fiber?
Coarse wavelength division multiplexing
Compact wavelength division multiplexing
Combined wavelength division multiplexing
Clear wavelength division multiplexing
Which RFC is mentioned in the section about configuring a subnet and using appropriate IP addressing schemes?
RFC1918
RFC1928
RFC1981
RFC1991
A target wireless client has been disconnected from the company AP and associated with a rogue device. What has most likely occurred?
Disassociation
Propagation
Incorrect AP placement
Misconfigured parameter
To maintain coverage between areas, you need to have overlapped coverage areas among wireless APs using nonoverlapping channels. In the United States, what channels in the 2.4GHz band of frequencies should you use?
CSMA/CA channels
1, 6, and 11
EIRP channels
2, 7, and 12
Which of the following should you consider conducting before designing and deploying a high-performance WLAN infrastructure?
Site survey
Reconnaissance
Nmapping
Port scan
What is the name for a web page that is presented to wireless clients seeking access to a network?
Authentication server
Captive portal
Self-registration gateway
Supplicant client
A satellite dish antenna is an example of what type of wireless antenna?
Omnidirectional
Integrated
Beam-focused
Unidirectional
Which metric provides the best idea of how a wireless network is actually performing?
Throughput
Speed
Relative jitter
Availability
Which of the following is a value measuring the power of a wireless signal?
RSSI
SSID
RFI
CSMA/CA
Which of the following is often the first step in a structured troubleshooting methodology?
Hypothesize the probable cause.
Create an action plan
Create a postmortem report.
Define the problem.
You have verified full system functionality and implemented preventive measures. What should you do next?
Question the obvious and duplicate the problem.
Create a differential backup plan
Document findings, actions, outcomes, and lessons learned.
Gather information and create a baseline.
What step is most likely to follow the “create an action plan” step in a structured troubleshooting methodology?
Verify problem resolution.
Test the hypothesis.
Define the problem
Hypothesize the possible cause.
What type of cloud solution would be used to implement a SAN?
Infrastructure as a Service (IaaS)
Software as a service (SaaS)
Platform as a Service (PaaS)
A service offered over the Internet by cloud service providers (CSPs) to cloud consumers, often referred to as tenants
Public (or multitenant)
Private
Community
Hybrid
A technician boots a server from USB media and installs a virtualization product. What type of hypervisor is being used?
Type 1
Type 2
Type 3
Type 4
An infrastructure technician has been asked to allow communication between a set of Virtual Machines. What might they add to the virtual machines to allow this?
Physical network adaptor
Dynamic storage
virtual storage
virtual network adaptor
Cloud service QoS is determined by
The quality of the service provider
the quality of the communications provider
the quality of the application provider
all of the above
End users use software located within the cloud
Saas
PaaS
IaaS
SecaaS
Computing platforms are available through the cloud
Saas
PaaS
IaaS
SecaaS
XaaS stands for
Mentor as a service
Everything as a service
xylophones as a service
none of the above
What is PaaS?
Portfolio as a service
Platform and architecture Security
Personnel as a service
Platform as a Service
In SDN this applies the business logic to make decisions about how
traffic should be prioritized and secured and where it should be switched.
Application layer
Infrastructure layer
You need a network that provides centralized authentication for your users.
VLANs
Peer-to-Peer
Client-Server
Mesh
Which of the following physical topologies has the most connections and is the least popular?
Star
Ring
Mesh
Bus
A SOHO can be at a home
True
False
Soho is in NY......
When data is encapsulated, which is the correct order?
Data --> Frame --> Packet --> Segment --> Bits
Segment --> Data --> Packet --> Frame --> Bits
Data --> Segment --> Packet --> Frame --> Bits
Data --> Segment --> Frame --> Packet --> Bits
At which layer of the OSI model would you find IP?
Transport
Network
Data Link
Carter
Is data transported as bits in the Physical layer?
Yes
No
I don't remember
What is data?
Understanding the OSI model assists with troubleshooting network problems.
True
False
What does OSI stand for?
Open Service Interconnection
Open System Interconnection
Open System Internet
Only System Interconnection
The network layer uses physical addresses to route data to destination hosts?
True
False
Which of the following is a concern when using peer-to-peer networks?
Where to place the server
Whose computer is least busy and can act as the server
The security associated with such a network
Having enough peers to support creating such a network
You want to have a mechanism that automates IP. Which protocol will you use to accomplish this?
SMTP
SNMP
DHCP
ARP
Which model has the most layers?
OSI
TCP/IP Model
Mentor's have layers.
Onions have layers.
22
SSH
Telnet
HHS
LDAP
53
SSH
DNS
SMTP
RDP
25
SSH
POP
SMTP
DHCP
22
SSH
RDP
SMB
DNS
20
LDAP
HTTP
FTP
OPP
21
LDAP
HTTP
IMAP
FTP
69
TFTP
NTP
FTP
SFTP
23
H.323
NTP
SSH
Telnet
67
DNS
DHCP
LDAP
POP
80
HTTPS
HTTP
RDP
POP
443
NTP
HTTPS
SNMP
RDP
In routers, packet switching takes place using a CPU, but in a layer 3 switch handles this using application-specific integrated circuit hardware (ASIC).
True
False
On an Ethernet switched network, what address does one host computer use to communicate with another?
IP
MAC
Street
HUB
Which of the following devices can work at both Layers 2 and 3 of the OSI model?
Hub
Switch
Bridge
Layer 3 Switch
Which should be used if you need to send packets to one or more machines that are hidden behind a single IP Address?
Switch
Load Balancer
Hub
Repeater
Switches that are connected together to work as a group
Unmanaged
Stackable
Modular
Fixed
Switch operates right out of the box without additional configurations being made
Unmanaged
Stackable
Modular
Fixed
Protocol that causes network switches to organize into a hierarchical structure
STP
OPP
DNS
HTTP
Maintains a routing table of networks it is connected
Router
Switch
Hub
VPN
This is called routing by rumor
Distance Vector
Link State
Based on the Data Over Cable Service Interface Specification
DSL Router
Cable Router
Modem
Traffic Shaper
1+1=
2
00000001
000000101
10000000
What is the security mechanism behind WPA3?
SAE
CCMP
TKIP
passphrase
What is the security mechanism behind WPA2?
SAE
CCMP
TKIP
passphrase
What is the security mechanism behind WPA?
SAE
CCMP
TKIP
passphrase
What type of antenna, used in wireless APs and wireless routers in SOHO locations, radiates power equally in all directions?
Unidirectional
Yagi
Parabolic
Omnidirectional
Long-distance point-to-point links.
Unidirectional
Yagi
Parabolic
Omnidirectional
Multiple parallel rods mounted on a central spine, are strongly directional but usually less so than parabolic dishes
Unidirectional
Yagi
Parabolic
Omnidirectional
A device that coordinates all communications between wireless devices, as well as the connection to the wired network.
Access Point
Router
Switch
Hub
One of the dangers with these phones is cell phone cloning, a process where copies of the SIM chip are made, allowing another user to make calls as the original user
GSM
FDMA
TDMA
CDMA
Works without an Access Point
AD Hoc
Infrastructure
Class C
1-126
128-191
192-223
192-224
IPv6
Binary
Hexadecimal
IPv4
Binary
Hexadecimal
You can't get to Twitch.tv to see your instructor streaming. You check you IP address and it starts with 169.254
APIPA
Beth hacked you
DNS is down
I don't remember....
_____ uses TCP port 22.
SFTP
FTP
TFTP
AJ
22
SSH
Telnet
HHS
LDAP
53
SSH
DNS
SMTP
RDP
25
SSH
POP
SMTP
DHCP
22
SSH
RDP
SMB
DNS
20
LDAP
HTTP
FTP
OPP
21
LDAP
HTTP
IMAP
FTP
69
TFTP
NTP
FTP
SFTP
23
H.323
NTP
SSH
Telnet
67
DNS
DHCP
LDAP
POP
80
HTTPS
HTTP
RDP
POP
443
NTP
HTTPS
SNMP
RDP
Not really used
6to4
4to6
Used with Windows
Teredo
Miredo
Used with Linux/UNIX
Teredo
Miredo
IPV6 addresses
12 bit
32 bit
64 bit
128 bit
This is an agreement between two or more organizations that details a common line of action
MOU
NDA
SLA
OPP
All scenarios in which contractors and other third parties must execute a nondisclosure agreement are defined
MOU
NDA
SLA
OPP
This is an agreement that defines the allowable time in which a party must respond to issues on behalf of the other party
MOU
NDA
SLA
OPP
SNMP uses which 2 ports?
161, 162
160, 161
389, 3389
20, 21
Scans and captures packets
Wireshark
Nmap
WinPcap
Nessus
A smartphone/tablet provisioning model that allows users to select a personal device to use to interact with corporate network services and cloud apps.
BYOD
DLP
COPE
SaaS
If a network has five nines availability, how much downtime does it experience per year?
30 Seconds
5 Minutes
12 Minutes
26 Minutes
What type of site provides a nearly identical level of service to the organization’s main site, with virtually no downtime?
Warm
Hot
Cold
Remote
In order to measure high availability (HA), you need to know the average amount of time that passes between hardware component failures. What is this called?
MTTR
RPO
RTO
MTBF
You are tasked with locating a backup facility for your organization to use in the event of a disaster. You have a slim budget, and the facility needs to include electricity, bathrooms, and space. Which type of recovery site suits your requirements?
Hot
Cold
Warm
Cloud
Scenario
Greene City Interiors is an interior design firm with several offices in the metro Greene City area, along with several suppliers in the region.
The network administrator at Greene City Interiors describes different Greene City Interiors offices and wants you to identify the type of each network.
The Greene City Interiors headquarters occupies four floors in their building. What category does this network fit into?
LAN
WAN
CAN
MAN
Scenario
Greene City Interiors is an interior design firm with several offices in the metro Greene City area, along with several suppliers in the region.
The network administrator at Greene City Interiors describes different Greene City Interiors offices and wants you to identify the type of each network.
Greene City Interiors has a remote office that accesses its corporate office with relatively high bandwidth. Which network category does it use?
LAN
WAN
CAN
MAN
What layer transmits bits from one device to another and regulates the transmission stream over a medium?
Physical
Network
Transport
Data Link
Which OSI layer is responsible for establishing connections between two devices?
Transport
Presentation
Application
Physical
Data link
True or False? Multicasting is more efficient in the use of network media than unicast transmission when many clients need to receive the same information from a server.
True
False
Which of the following documents describes the concept of private IP addressing?
RFC 4949
RFC 1918
RFC 1208
RFC 1983
Which of the following solutions alleviates the problem of the depleting IPv4 address space by allowing multiple hosts on the same private LAN to share a single public IP address?
DNS
APIPA
NAT
DHCP
Which of the following solutions below hides the internal IP addresses by modifying IP address information in IP packet headers while in transit across a traffic routing device?
QoS
DHCP
NAT
DNS
An extension to network address translation (NAT) that permits multiple devices on a local area network (LAN) to be mapped to a single public IP address. The goal being to conserve IP addresses.
PAT
NAC
DNS
ARP
An IPv4 address consists of:
32 bits
48 bits
64 bits
128 bits
Which of the answers listed below refers to a binary representation of the decimal number 192?
10101100
11000000
01100010
10101010
IPv4 addresses are expressed with the use of:
Octagonal numbers
Binary numbers
Hexadecimal numbers
Decimal numbers
Which of the following answers lists a decimal notation of the binary number 10101100?
168
172
192
224
An IPv6 address consists of:
32 bits
48 bits
64 bits
128 bits
IPv6 addresses are expressed with the use of:
Octagonal numbers
Binary numbers
Hexadecimal numbers
Decimal numbers
A double colon in an IPv6 address indicates that part of the address containing only zeros has been compressed to make the address shorter.
True
False
Automatic Private IP Addressing (APIPA) allows a Windows host to self-configure an IPv4 address and subnet mask when Dynamic Host Configuration Protocol (DHCP) is unavailable. APIPA uses an address block range between 169.254.0.0 and 169.254.255.255. APIPA-assigned addresses are valid only for communications within a network segment that a given host is connected to (a host with APIPA-assigned address cannot connect to the Internet).
True
False
A type of network traffic intended for a particular group of hosts is called:
Unicast
Anycast
Multicast
Broadcast
A type of network traffic intended for a single host identified by a unique IP address is referred to as:
Unicast
Anycast
Multicast
Broadcast
Which of the following answers refers to an IPv6-only, one-to-nearest data transmission type?
Unicast
Anycast
Multicast
Broadcast
A networked host with unknown IPv4 address can be reached via:
Unicast
Anycast
Multicast
Broadcast
An IPv6 link-local address is an equivalent of IPv4's:
APIPA address
Routable IP address
Public IP address
MAC address
Which of the answers listed below refers to an IPv6 link-local address?
2002::/16
FE80::/10
2001::/32
::1/128
Which of the following answers refers to an IPv4 loopback address?
169.254/16
FE80::/10
0:0:0:0:0:0:0:1
127.0.0.1
Which of the following answers refer to IPv6 loopback addresses?
0:0:0:0:0:0:0:1
OR
::1
127.0.0.1
OR
127::1
169.254/16
FE80::/10
In a network using subnets, the term "Default gateway" refers to a network device that enables exchange of data between hosts residing in different subnets.
True
False
Which of the following allows to determine which network segment an IP address belongs to?
Physical address
Dynamic Host Configuration Protocol (DHCP)
Address Resolution Protocol (ARP)
Subnet mask
What is the name of a solution that increases the efficiency of IP address space management by allowing network administrators to divide networks into subnets of variable sizes?
DNAT
VLSM
MPLS
VLAN
Which of the following answers refer to the characteristic features of the 10.0.0.0 - 10.255.255.255 (10.0.0.0/8) IPv4 address space?
Class A range
Non-routable (private) IP address range
Class B range
Class C range
Class E range
Which of the answers listed below refer to the 172.16.0.0 - 172.31.255.255 (172.16.0.0/12) IPv4 address space?
Class A range
Class B range
Class C range
Class D range
The class for 192.168.0.0 - 192.168.255.255 (192.0.0.0/16) IPv4 address range is?
Class A range
Class B range
Class C range
Class E range
Which of the following answers refers to an IPv4 address range used for loopback addresses?
127.0.0.0 – 127.255.255.255 (127.0.0.0/8)
0.0.0.0 – 0.255.255.255 (0.0.0.0/8)
169.254.0.0 – 169.254.255.255 (169.254.0.0/16)
240.0.0.0 – 255.255.255.254 (240.0.0.0/4)
Which of the answers listed below refers to an IPv4 address range reserved for future use?
240.0.0.0 – 255.255.255.254 (240.0.0.0/4)
192.168.0.0 - 192.168.255.255 (192.0.0.0/24)
172.16.0.0 - 172.31.255.255 (172.16.0.0/12)
10.0.0.0 - 10.255.255.255 (10.0.0.0/8)
In IPv4 addressing, the leading octet of an IP address with a value of 1 through 126 denotes that the IP address within that range belongs to the:
Class A address space
Class B address space
Class C address space
Class D address space
Which of the answers listed below refers to an example of a valid subnet mask?
255.255.225.0
255.255.191.0
255.255.127.0
None
Which of the following answers lists the default (classful) subnet mask for a class A network?
255.0.0.0
255.128.0.0
224.0.0.0
255.224.0.0
What is the leading octet value range for an IPv4 address belonging to a class B network?
240 - 254
128 - 191
1 - 126
192 - 223
Which of the following answers lists the default (classful) subnet mask for a class B network?
255.252.0.0
255.255.0.0
255.248.0.0
255.224.0.0
In IPv4 addressing, the leading octet of an IP address with a value of 192 through 223 denotes that the IP address within that range belongs to the:
Class A
Class B
Class C
Class D
Which of the answers listed below refers to the default (classful) subnet mask for a class C network?
255.255.192.0
255.255.224.0
255.255.255.0
255.255.252.0
Which of the answers listed below refers to a solution that replaces the classful network design?
VLAN
RSTP
SNAT
CIDR
What is the first valid host address that can be assigned to a node residing in the 10.119.136.143/20 network?
10.119.96.1
10.119.128.1
10.119.132.1
10.119.136.1
A limited IPv4-to-IPv6 transition mechanism that allows for encapsulation of IPv6 packets in IPv4 packets transmitted over IPv4 networks is referred to as:
6to4
802.3af
eDiscovery
Miredo
An IPv4-to-IPv6 transition mechanism with native support for Network Address Translation (NAT) is known as:
6to4
Teredo
eDiscovery
Miredo
The term "Dual-stack IP" refers to a solution that relies on implementing both IPv4 and IPv6 protocol stacks on various network devices to facilitate seamless migration from IPv4 to IPv6.
True
False
