Comptia N10-007 Practice test Questions Part 2
Which of the answers listed below refer to the characteristic features of the IEEE 802.11a wireless standard? (Select 3 answers)
(Carrier Sense Multiple Access / Collision Avoidance) CSMA/CA
The characteristic features of the IEEE 802.11n wireless standard include: (Select all that apply)
2.4 GHz, 5.0 GHz, Max signal rate of 600 Mbps, CSMA/CA, (Multiple Input / Multiple Output) MIMO
What are the characteristics of the IEEE 802.11g wireless standard? (Select 3 answers)
2.4 GHz, Max signal rate of 54 Mbps, CSMA/CA
Frequency bands used by 802.11 networks include: (Select 2 answers)
2.4GHz, 5.0GHz
Which of the following answers refer to the IEEE 802.11b wireless standard? (Select 3 answers)
2.4GHz, Max signal rate of 11 Mbps, CSMA/CA
The IEEE 802.11a standard specifies a channel bandwidth of:
20 MHz
The IEEE 802.11g standard specifies a channel bandwidth of:
20 MHz
Which of the answers listed below refers to a channel bandwidth used in 802.11b networks?
22 MHz
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)
Which of the following answers lists the default (classful) subnet mask for a class A network?
255.0.0.0
Which of the following answers lists the default (classful) subnet mask for a class B network?
255.255.0.0
Which of the answers listed below refers to the default (classful) subnet mask for a class C network?
255.255.255.0
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
Which of the following answers refer to IPv6 loopback addresses? (Select 2 answers)
::1, 0:0:0:0:0:0:0:1
A network topology in which each node has a direct physical connection to every other node is known as:
Full mesh
Which IEEE standard provides the implementation basis for most modern WLANs?
IEEE 802.11
Which of the answers listed below refers to a short distance, line-of-sight technology used for example in home remote controls?
IR
Which of the following typically applies to a request that doesn't match the criteria defined in an ACL?
Implicit deny rule
Which type of network topology provides the highest level of redundancy?
Mesh
Which of the answers listed below refers to an example of a valid subnet mask?
None of the above is a valid subnet mask
A type of limited-range computer network used for data transmission among various types of personal devices is generally referred to as:
PAN
Which of the following answers refers to a Network Address Translation (NAT) method that binds a combination of private IP address and port number with a corresponding public IP address and port information?
PAT (Port Address Translation)
A server with a private IP address has been set up to handle requests from an outside (public) network. Which of the solutions listed below would enable this function?
Port Forwarding
A wireless networking topology consisting of at least one Access Point (AP) is referred to as:
Infrastructure mode
An emerging field of new technologies, such as wearable tech or home automation is known as:
IoT
A network connecting computers within a small geographical area such as a building or group of buildings is known as:
LAN
A wireless networking topology in which client devices communicate directly with each other without the use of a controlling Access Point (AP) is called:
Ad hoc mode
In which type of network topology, the main network cable becomes a single point of failure?
BUS
A popular, short-range wireless technology used for connecting various personal devices in a WPAN is called:
Bluetooth
Which of the following answers refers to a bus topology network first developed for use in vehicles?
CAN
Which of the following answers refers to a channel access method used in 3G cellular networks?
CDMA
Which of the answers listed below refers to a solution that replaces the classful network design?
CIDR(Classless Inter-Domain Routing)
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
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? (Select 2 answers)
Class A range, Non-routable (private) IP address 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? (Select 2 answers)
Class B range, Non-routable (private) IP address range
A computer network connecting multiple LANs over an area of a city or campus is referred to as:
MAN
Dynamic Network Address Translation (DNAT) provides a permanent mapping between a private IP address and a public IP address on a one-to-one basis.
False
Static Network Address Translation (SNAT) provides a mapping between a private IP address and any of the IP addresses belonging to the available public IP address pool.
False
What is the functionality provided by the Class of Service (CoS) parameter? (Select 2 answers)
QoS (Quality of Service) , Traffic management
Which of the following terms refer to solutions used for controlling network resources and assigning priority to different types of traffic? (Select 2 answers)
QoS (Quality of Service), Packet shaping
Which of the answers listed below describe the function of DiffServ architecture? (Select 2 answers)
QoS (Quality of Service), Traffic management
Which of the following wireless technologies enables identification and tracking of tags attached to objects?
RFID
Which of the terms listed below refers to permanent IP address assignment from a DHCP server?
Reservation
A network topology in which each node connects to exactly two other nodes is referred to as:
Ring topology
Which of the answers listed below refers to a technology designed to simplify network infrastructure management?
SDN( Software Defined Network)
Which of the following allows to determine which network segment an IP address belongs to?
Subnet mask
Which of the answers listed below refers to a channel access method used in 2G GSM networks?
TDMA(Time-division multiple access)
An IPv4-to-IPv6 transition mechanism with native support for Network Address Translation (NAT) is known as:
Teredo
What does the term "Miredo" refer to?
Teredo tunneling software
An IP address that doesn't correspond to any actual physical network interface is called a virtual IP address (VIP/VIPA).
True
Long Term Evolution (LTE) is a wireless communications standard for mobile devices and wireless hotspots. LTE offers significant improvements in terms of speed when compared to the older generation of 3G cellular networks. LTE and its later revision LTE-Advanced (LTE-A) are often marketed as 4G standards.
True
Network Address Translation (NAT) provides an IP proxy between a private LAN and a public network such as the Internet.
True
One of the features of the Dynamic Host Configuration Protocol (DHCP) is the capability for static allocation of an IP address based on the IP-to-MAC address mapping.
True
A computer network connecting multiple smaller networks over very large geographical areas is known as:
WAN
What is the first valid host address that can be assigned to a node residing in the 10.119.136.143/20 network?
10.119.128.1
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)
What is the leading octet value range for an IPv4 address belonging to a class B network?
128 - 191
What is the network address for a 154.24.67.147/22 host?
154.24.64.0
Which of the following answers lists the broadcast address for the 192.168.50.155/20 network?
192.168.63.255
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 C address space
What are the characteristic features of the 192.168.0.0 - 192.168.255.255 (192.0.0.0/24) IPv4 address space? (Select 2 answers)
Class C range, Non-routable (private) IP address range
Which of the following answers refer to the IPv4 multicast address block? (Select 2 answers)
Class D range, 224-239
Which optional field in an Ethernet frame header can be used to enable the Quality of Service (QoS) functionality?
CoS (Class of Service)
APIPA addresses are valid only for communications within a network segment that a given host is connected to. A host with APIPA-assigned address (i.e. an IP address in the range between 169.254.0.1 and 169.254.255.254) cannot connect to the Internet. The assignment of APIPA address typically indicates a problem related to:
DHCP
Which type of switch simplifies virtual network configuration by enabling an option to configure switching for the entire network from a single interface?
Distributed switch
Which of the following enables automatic configuration of an IPv6 address?
EUI-64
Which of the answers listed below refers to an IPv6 link-local address?
FE80::/10
Which of the following answers lists a valid address of FE80:00A7:0000:0000:02AA:0000:4C00:FE9A after compression?
FE80:A7::2AA:0:4C00:FE9A
A dedicated local network consisting of devices providing data access is called:
SAN
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
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 different sizes?
VLSM(Variable Length Subnet Mask)
A type of network consisting of computers and peripheral devices that use high-frequency radio waves to communicate with each other is called:
WLAN
Which of the answers listed below refers to a wireless protocol designed to provide communication between appliances in a home automation network?
Z-Wave
The Internet is an example of a large public WAN.
True
Which of the following answers lists the CIDR notation of the 255.255.255.224 subnet mask?
/27
Which of the following answers lists the number of connections in a full mesh network consisting of 10 nodes?
45
Which of the following answers refers(s) to the feature(s) of the IEEE 802.11ac wireless standard? (Select all that apply)
5.0 GHz, Max signal rate of 6.77 Gbps, CSMA/CA, CSMA/CD, MU-MIMO(Multi-User Multiple Input / Multiple Output)
A rule-based access control mechanism implemented on routers, switches, and firewalls is referred to as:
ACL
Which of the acronyms listed below refers to a set of rules that specify which users or system processes are granted access to objects as well as what operations are allowed on a given object?
ACL
Which of the following answers refers to a wireless connectivity technology used for monitoring sensor data collected from low-powered sports and fitness equipment?
ANT+
An IPv6 link-local address is an equivalent of IPv4's:
APIPA address
A dedicated communication channel used exclusively between two connected hosts is a characteristic feature of packet-switching networks.
False
A logical network diagram is a document that describes the detailed layout of the building and the way devices are connected to the network through the actual cabling that transmits data.
False
Circuit-switching networks move data divided into small blocks over a shared connection.
False
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?
NAT
Which of the solutions listed below hides the internal IP addresses by modifying IP address information in IP packet headers while in transit across a traffic routing device?
NAT
An IPv6 protocol performing the function of IPv4's Address Resolution Protocol (ARP) is called:
NDP (Neighbour Discovery Protocol)
An IPv6 protocol used by routers to advertise their presence on a network is known as:
NDP (Neighbour Discovery Protocol)
Which IPv6 protocol is used by networked hosts to determine the link layer address of adjacent nodes?
NDP (Neighbour Discovery Protocol)
Which of the IPv6 protocols listed below is used by networked nodes for locating routers?
NDP (Neighbour Discovery Protocol)
Which type of technology enables contactless payment transactions?
NFC
A network topology in which each node connects to a central switching device is called
Star topology
Which of the following network topologies is most commonly used in contemporary Ethernet LANs?
Star topology
Which of the answers listed below refers to a permanent assignment of an IP address?
Static IP address
Dynamic Host Configuration Protocol version 6 (DHCPv6) is the IPv6 equivalent of the Dynamic Host Configuration Protocol (DHCP) for IPv4.
True
In a network using subnets, the term "Default gateway" refers to a network device (e.g. router) that enables exchange of data between hosts residing in different subnets.
True
In terms of size and reach, a Metropolitan Area Network (MAN) can be placed between a LAN (smaller type of network) and a WAN (larger type of network).
True
Setting up a wireless network to operate on a non-overlapping channel allows multiple networks to coexist in the same area without causing interference.
True
The term "Channel bonding" refers to a technique that allows for combining adjacent channels to increase the amount of available bandwidth.
True
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
