1 / 13100%
Question 2
1 out of 1 points
Question 1
Which of the following is not an example of an extranet?
1 out of 1 points
Selected Answer:
All of the following are examples of an extranet.
Communication across a network is carried on a(n) . It
provides the channel over which the message travels from source to destination.
Selected Answer:
Medium
Question 3
1 out of 1 points
Using a HomePlug standard Powerline adapter, devices can connect to the LAN
wherever there is an electrical outlet.
Selected Answer:
True
Question 4
1 out of 1 points
According to the textbook, which of the following are at the foundation of all network
architectures?
Selected Answer:
A and B above
Question 5
What is a converged network?
Selected
Answer:
Question 6
Which of the following is false with respect to the Internet?
Selected Answer:
All of the above are true with respect to the Internet.
Question 7
1 out of 1 points
1 out of 1 points
1 out of 1 points
clouds are built to meet the needs of a specific industry and can be
public or private.
Selected Answer:
Custom
Question 8
1 out of 1 points
Because routers are used to interconnect networks, the ports on a router are referred
to as .
Selected Answer:
Network interfaces
Question 9
1 out of 1 points
All devices within a network must have a unique IP address for communication
between devices to function properly.
Selected Answer:
True
Question 10
What command is used to verify the condition of switch interfaces?
Selected Answer:
show ip interface brief
Question 11
What error message is displayed in the IOS if not all the required keywords or
arguments were entered?
Selected Answer:
All of the above
Question 12
1 out of 1 points
0
out of 1 points
1
out of 1 points
What command must be entered to configure an IP address of 192.168.10.3 and
subnet mask of 255.255.255.0 for a switch?
Selected Answer:
ip address 192.168.10.3 255.255.255.0
Question 13
What happens when the exit command is entered in privileged EXEC mode?
Selected Answer:
The console session is ended.
Question 14
1 out of 1 points
0
out of 1 points
The command is used to verify the internal IP configuration on a
local host.
Selected Answer:
ipconfig
Question 15
1
out of 1 points
The address, 127.0.0.1, is defined by the TCP/IP protocol as a
reserved address that routes packets back to the host.
Selected Answer:
Loopback
Question 16
What CLI shortcut is used to abort the current command?
Selected Answer:
Ctrl-C
Question 17
1 out of 1 points
1 out of 1 points
Which protocol enables clients to access email stored on a mail server and maintains
email on the server?
Selected Answer:
IMAP
Question 18
1 out of 1 points
The seven OSI model layers are more often referred to by number rather than by
name. Which layer number is the presentation layer in the OSI model?
Selected Answer:
Six
Question 19
1 out of 1 points
Which standards organization published the OSI reference model to develop a
layered framework for networking protocols?
Selected Answer:
The International Organization for Standardization (ISO)
Question 20
Which standards organization is responsible for developing communication
1 out of 1 points
standards that include radio equipment, cellular towers, VoIP devices, and satellite
communications?
Selected Answer:
TIA
Question 21
1 out of 1 points
Which layer of the TCP/IP model determines the best path through the network?
Selected Answer:
Internet
Question 22
The Internet layer of the TCP/IP model includes functions such as
acknowledgement, error recovery, and sequencing.
Selected Answer:
True
Question 23
What is the decimal equivalent of the binary number 11111111?
Selected Answer:
255
Question 24
What is the decimal equivalent of the binary number 01010101?
Selected Answer:
85
Question 25
What is the binary equivalent of the hexadecimal number EF?
0
out of 1 points
1
out of 1 points
1 out of 1 points
1 out of 1 points
Selected Answer:
11101111
Question 26
What is the binary equivalent of the hexadecimal number FF?
Selected Answer:
11111111
Question 27
What is the decimal equivalent of the hexadecimal number EB?
Selected Answer:
235
Question 28
What is the binary equivalent of the decimal number 255?
Selected Answer:
11111111
Question 29
1 out of 1 points
1 out of 1 points
1 out of 1 points
1 out of 1 points
According to the textbook, fiber is primarily used as backbone cabling for high-traffic,
point-to-point connections between data distribution facilities and for the
interconnection of buildings in multi-building campuses.
Selected Answer:
True
Question 30
1 out of 1 points
offer a switching component with multiple ports,
allowing multiple devices to be connected to the local-area network (LAN) using
cables.
Selected Answer:
Integrated service routers
Question 31
What type of connector is used to terminate UTP cables?
Selected Answer:
RJ-45
Question 32
1 out of 1 points
1 out of 1 points
is a technique in which an analog signal, such as
a voice, is converted into a digital signal by sampling the signal’s amplitude and
expressing the different amplitudes as a binary number.
Selected Answer:
Pulse-coded modulation (PCM)
Question 33
With , the signals are patterns of electrical pulses.
1 out of 1 points
Selected Answer:
Copper cable
Question 34
Which part of a fiber optic cable surrounds the core and acts as a mirror?
Selected Answer:
Cladding
Question 35
1 out of 1 points
0
out of 1 points
is the ability to determine whether a frame contains an
error and the ability to repair the error from the information sent with the frame
communication.
Selected Answer:
None of the above
Question 36
1
out of 1 points
Which part of a fiber optic cable consists of pure glass and is the part of the fiber
where light is carried?
Selected Answer:
Core
Question 37
1 out of 1 points
A broadcast packet contains a destination IP address that has all zeroes (0s) in the
host portion.
Selected Answer:
False
Question 38
Layer 2 switches provide all of the following except:
Selected Answer:
Forwarding of packets to devices in other networks
Question 39
What happens when a data collision occurs on an Ethernet bus?
1 out of 1 points
0
out of 1 points
Selected Answer:
The MAC sublayer prioritizes the frame with the lower MAC address.
Question 40
The ARP table is maintained dynamically.
Selected Answer:
True
Question 41
Which of the following is not one of the primary fields in an Ethernet frame?
Selected Answer:
Source IP Address
Question 42
1
out of 1 points
1 out of 1 points
1 out of 1 points
What type of switch is one that you cannot add features or options to beyond those
that originally came with the switch?
Selected Answer:
Fixed-configuration switch
Question 43
Which IPv6 8-bit field replaces the IPv4 TTL field?
Selected Answer:
Hop limit
Question 44
1 out of 1 points
1 out of 1 points
is a technology commonly implemented within IPv4 networks that
provides a way for multiple devices to share a single public IP address.
Selected Answer:
NAT
Question 45
When configuring a host, the gateway was not configured. How will this affect
communication to and from this device?
Selected Answer:
Communication will be limited to hosts in the local network.
Question 46
Which of the following is not a characteristic of IP?
Selected Answer:
Reliable
Question 47
1 out of 1 points
1 out of 1 points
1 out of 1 points
The Internet is largely based on , which is still the most widely used network
layer protocol.
Selected Answer:
IPv4
Question 48
Which of the following is not a column in an IPv6 Route Table?
Selected Answer:
Netmask
Question 49
What command can be used to display a host’s routing table in Windows?
Selected Answer:
netstat r
Question 50
Which of the following is not a component of a router?
1 out of 1 points
0
out of 1 points
1
out of 1 points
Selected Answer:
All of the above are components of a router
Question 51
Which of the following port numbers are used by both TCP and UDP?
Selected Answer:
53 and 161
Question 52
1 out of 1 points
1 out of 1 points
The combination of the source and destination IP addresses and the source and
destination port numbers is known as a .
Selected Answer:
Socket
Question 53
1 out of 1 points
When a sender does not receive an acknowledgement from a TCP transmission
within a certain period of time, what happens?
Selected
Answer:
The sending host assumes that the segments were lost and retransmits
only the portion of the message that is lost.
Question 54
1 out of 1 points
Regulating the amount of data a source transmits is a function of .
Selected Answer:
Flow control
Question 55
1 out of 1 points
In the second step of the TCP three-way handshake, which flag(s) is(are) set by the
destination host?
Selected Answer:
Both A and B above
Question 56
Which of the following is not a common transport layer protocol?
Selected Answer:
HTTP
Question 57
TCP breaks up a message into small pieces known as .
Selected Answer:
Segments
Question 58
The UDP PDU s referred to as a .
Selected Answer:
Datagram
Question 59
1 out of 1 points
1 out of 1 points
1 out of 1 points
1 out of 1 points
What utility is used to identify the network path between hosts?
Selected Answer:
Traceroute
Question 60
1 out of 1 points
enables the automatic assignment of addressing information such as IP
address, subnet mask, default gateway, and other configuration information.
Selected Answer:
DHCP
Question 61
Address resolution is used when a device on the LAN knows the IPv6 unicast
1 out of 1 points
address of a destination but does not know its Ethernet MAC address. To determine
the MAC address for the destination, the device will send a(n) message to the
solicited-node address. The device that has the targeted IPv6 address will respond
with a(n) message containing its Ethernet MAC address.
Selected Answer:
NS, NA
Question 62
1 out of 1 points
Which of the following techniques allows IPv4 and IPv6 to coexist on the same
network?
Selected Answer:
Dual stack
Question 63
The address of an IPv4 network address is always an even number.
Selected Answer:
True
Question 64
1 out of 1 points
1 out of 1 points
Which IPv4 block of addresses is reserved for future use and is currently being used
for research and experimentation purposes?
Selected Answer:
240.0.0.0 to 255.255.255.254
Question 65
1 out of 1 points
Which IPv4 block of addresses is reserved for teaching and learning purposes?
Selected Answer:
192.0.2.0 to 192.0.2.255
Question 66
1 out of 1 points
Which type of communication is occurring when a packet is sent from one host to all
hosts in the network?
Selected Answer:
Broadcast
Question 67
1 out of 1 points
According to the textbook, without subnetting an IPv4-based network, performance
will quickly decrease as the number of hosts increases.
Selected Answer:
True
Question 68
How many usable hosts per sub-network will you have using a /17 address?
Selected Answer:
32766
Question 69
1 out of 1 points
1 out of 1 points
When subnetting IPv6 address space, why is it wise to subnet on a nibble boundary?
Selected
Answer:
IPv6 is expressed in hexadecimal, and each nibble is one
hexadecimal character.
Question 70
Using an IPv4 network address of 192.168.2.0/26, what is the last usable host
address in the first subnet (i.e. subnet[0])?
Selected Answer:
192.168.2.62
Question 71
How many subnetworks can you have with a /20 prefix?
Selected Answer:
16
Question 72
A junior network technician is assigning host addresses to devices in the
192.168.1.0/25 subnet. The departmental printer is assigned the address
1 out of 1 points
1 out of 1 points
0 out of 1 points
192.168.1.131/25 with a 192.168.1.1/25 default gateway. No one in the department
is able to print. What is the cause of the problem?
Selected Answer:
The default gateway is not correct for the departmental subnet.
Question 73
What is the primary purpose of subnetting IPv6 address space?
Selected Answer:
Support hierarchical network design
Question 74
1 out of 1 points
1 out of 1 points
You have a network that needs 29 subnets while maximizing the number of host
addresses available on each subnet. How many bits must you borrow from the host
portion of a classful network address to provide the correct subnet mask?
Selected Answer:
5
Question 75
1 out of 1 points
Keeping the functionality of the application layer separate from the functionality of
transporting the data allows the application layer protocols to be changed and new
applications to be developed, without the developer having to worry about the
mechanics of the data across the network.
Selected Answer:
True
Question 76
Which of the following is false with respect to FTP?
Selected Answer:
All of the above are true statements.
Question 77
0 out of 1 points
0
out of 1 points
Which of the following are functions of the Presentation Layer in the OSI model?
Selected Answer:
Coding/conversion/translation of data
Question 78
Which of the following message types is a client request for data?
Selected Answer:
GET
Question 79
Which port(s) is(are) assigned to SMTP?
Selected Answer:
25
Question 80
What is the difference between HTTP and HTTPS?
Selected Answer:
HTTP is not secure; HTTPS is secure
Question 81
1
out of 1 points
1 out of 1 points
1 out of 1 points
1 out of 1 points
What is the IPv6 DHCP message that corresponds to the IPv4 DHCPDISCOVER
message?
Selected Answer:
SOLICIT
Question 82
0 out of 1 points
What is the IPv6 DHCP message that corresponds to the IPv4 DHCPREQUEST
message?
Selected Answer:
None of the above
Question 83
0
out of 1 points
A enables a network professional to quickly compile
statistical information about traffic flows on a network.
Selected Answer:
Traffic analyzer
Question 84
What is the order of steps recommended to mitigate a worm attack?
Selected Answer:
Containment > Inoculation > Quarantine > Treatment
Question 85
1
out of 1 points
1 out of 1 points
helps to eliminate single points of failure in a network.
Selected Answer:
Redundancy
Question 86
Which of the following is not a type of access attack?
Selected Answer:
Dictionary attack
Question 87
0
out of 1 points
1
out of 1 points
Which of the following firewall techniques prevents or allows access by specific
application types based on port numbers?
Selected Answer:
Application filtering
Question 88
1 out of 1 points
Which type of physical threat involves physical damage to servers, routers, switches,
cabling, and workstations?
Selected Answer:
Hardware threats
Question 89
1 out of 1 points
Which type of security threat involves breaking into a computer to destroy or alter
data records?
Selected Answer:
Data loss/manipulation
Question 90
1 out of 1 points
translates an internal IP address or group of IP addresses into an
outside, public IP address that is sent across the network.
Selected Answer:
NAT
Question 91
1 out of 1 points
attacks are the unauthorized manipulation of data, system
access, or user privileges.
Selected Answer:
Access
Question 92
1 out of 1 points
What type of attack is the unauthorized manipulation of data, system access, or user
privileges?
Selected Answer:
Access
Question 93
1 out of 1 points
What type of network vulnerability is involved when JavaScript is turned on in web
browsers?
Selected Answer:
Configuration
Question 94
An attacker runs a ping sweep against a network. What type of attack is this?
Selected Answer:
Reconnaissance
Question 95
With regard to firewall technology, what is stateful packet inspection?
Selected
Answer:
Incoming packets must be legitimate responses from internal
requests.
Question 96
1 out of 1 points
1 out of 1 points
1 out of 1 points
A(n) firewall is a firewall that is built into a dedicated hardware device
known as a security appliance.
Selected Answer:
Appliance-based
Question 97
A(n) firewall consists of a firewall application that runs on a network
operating system such as UNIX or Windows.
Selected Answer:
Server-based
Question 98
1 out of 1 points
1 out of 1 points
In what type of attack are multiple SYN packets sent to a server by an attacker,
thereby tying up resources as the server attempts to complete the TCP three-way
handshake?
Selected Answer:
Denial of service
Question 99
Which of the following protocols support delay-sensitive delivery to support
streaming media?
Selected Answer:
B and C above
Question 100
Which type of traffic should be given the highest priority on a network?
1 out of 1 points
1 out of 1 points
Selected Answer:
Voice
Students also viewed