Last name*
SOBRIO
First name*
ARIEL
Block number*
2
Answer the following questions. Select the correct answer. Write also your answer in
your semifinal test booklet.
YES
is a set of computers connected together for the purpose of sharing resources which
in most cases in the internet.
1/1
Computer network
Topologies
Information
During data transfer, what is the receiving host responsible for ? Choose two
2/2
Bandwidth
Segmentation
Acknowledgement
Reassembly
Which port number is used by SMTP ?
1/1
20
23
25
Which port number is used by HTTP ?
1/1
80
53
110
Which of the following services is used to translate a web address into an IP address?
1/1
DNS
DCHP
TeLnet
End system use port numbers to select the proper applications. What is the lowest
port number that can be dynamically assigned by the host system ?
0/1
1024
1
128
256
Correct answer
1
Which protocol is used by FTP to transfer files over the Internet?
1/1
TCP/IP
SMTP
UDP
Which characteristics are part of TCP? (Choose two.)
0/2
Reliable
Connectionless
No flow control
Resends anything not received
Correct answer
Reliable
Connectionless
What is the purpose of TCP/UDP port numbers ?
1/1
To indicate the beginning of a three-way handshake
To reassemble the segments into the correct order
To track the different conversations crossing the network at the same time
Which protocol can be used to load or retrieve Cisco IOS images to or from a router?
1/1
SNMP
UDP
TFTP
TCP
Which subnet mask will allow for 16 hosts?
1/1
255.255.255.224
255.255.255.240
255.255.255.192
What OSI layer does a switch reside on?
1/1
Datalink
Network
Application
Physical
Which command will trace route and provide network latency and packet loss for each
router and link in the path?
pathping
Tracert
Ping
Route
What would UDP be used for?
1/1
File sharing
Downloading
VoIP
E-mail
Which of the following would be used to connect two geographically separated
addresses?
1/1
Switch
Router
Bridge
Hub
Which command will query all records on a name server?
1/1
Nslookup -d
Netview -a
Nslookup -a
Get-dns
Which of the following ports use TCP?
1/1
TFTP
FTP
DHCP
NTP
What is the function of DNS?
2/2
Allocates IP addresses
Networking protocol for clock synchronization
Translates name to numerical IP address
Maintains distributed directory information services
The Transport layer of the OSI model communicates with which two layers?
1/1
Network, Datalink
Session, Internet
Session, Network
Application, Session
What is the 2nd layer of the OSI model?
1/1
Datalink
Internet
Physical
Presentation
Which of the following would be used to detect attacks?
1/1
Firewall
IDS
IPS
DMZ
What is the physical address of a network interface card?
1/1
NIC
MAC
ARP
IP
What are the characteristics of TCP?
1/1
Connection-oriented, error-checking, reliable
Connectionless, no error-checking, unreliable
Connectionless, error-checking, reliable
Which command will display all connections and listening ports?
1/1
Netstat -n
Trace -n
Nbtstat -a
Netstat -a
Which of the following is a private IP address?
1/1
192.168.0.0
11.0.0.0
173.12.0.0
190.170.0.0
How many bits does an IPv6 address use?
1/1
128 bits
64
32
It is in the form of an add-in card and is installed on a computer so that the computer
can be connected to a network.
1/1
NIC
VPN
ARP
In a computer network, to enable data transmission from one computer to another, the
network devices send messages in the form of packets.
1/1
Data Encapsulation
Segmentation
data transmission
Applications are accessed by anyone from any location using the web.
1/1
Internet
Intranet
Extranet
is built on the Internet as a private wide area network.
1/1
VPN
MAC
FTP
This command is used on Microsoft Windows to view and configure the network
interface.
0/1
ipconfig
ip config/
Netconfig
Correct answer
ipconfig
It is the smallest and basic network type that is often used at home.
1/1
PAN
LAN
WAN
MAN
is used in small offices and Internet cafes to connect a small group of computers to
each other.
1/1
LAN
PAN
WAN
MAN
It is treated as the physical movement of data.
1/1
Communication
Transmission
Network
Information
the process of sending and receiving data between two media.
1/1
Communication
Transmission
Information
Internet
Serves as the mediator between Users and processes of applications.
0/1
Application Layer
Presentation Layer
Transport Layer
Physical Layer
Correct answer
Application Layer
It is a wireless Internet connection between the devices. It uses radio waves to
connect to the devices or gadgets.
1/1
Broadband Connection
Wi-Fi
WiMAX
This type of connection gives continuous high-speed Internet.
1/1
Broadband Connection
Router
Wi-Fi
is a switch that processes the signal/traffic using routing protocols.
0/1
Networking
Protocol
The router
Node
Correct answer
The router
A set of instructions or rules or guidelines that are used in establishing
communications between computers of a network
2/2
Network
Networking
Protocol
Node
is the temporary IP address assigned by the network to a computing device.
1/1
Static IP
Dynamic IP
Domain Server
is a software program that protects a computer from any malicious software, any virus,
spyware, adware, etc.
2/2
Firewall
Trojan
Antivirus
Security
acts as a gatekeeper which prevents unauthorized users to access the private
networks as intranets.
1/1
Firewall
Windows Security
Antivirus
This is used to design or develop standards that are used for networking.
0/1
IEEE
DNS
DHCP
ARP
Correct answer
IEEE
is a technology that is used to connect computers all over the network to transmit the
data between each other.
0/2
Ethernet
Networking
Internet
Communication
Correct answer
Ethernet