Module 1 Flashcards
Which of the following OSI layers is responsible for addressing?
a) Layer 1
b) Layer 2
c) Layer 3
d) Layer 4
e) Layer 7
Layer 3
Which of the following OSI layers is responsible for encryption?
a) Layer 7
b) Layer 6
c) Layer 5
d) Layer 4
e) Layer 3
b) Layer 6
The wireless network IEEE 802.11 is defined in which of the following OSI layers?
a) Network
b) Application
c) Presentation
d) Data link
e) Physical
e) Physical
Which of the following OSI layer is responsible for handshaking?
a) Layer 4
b) Layer 5
c) Layer 6
d) Layer 7
e) Layer 1
b) Layer 5 (session)
Which of the following hardware devices is responsible for holding the time & data information?
a) RAM
b) ROM
c) Hard drive
d) Motherboard
e) CMOS
e) CMOS
A touch screen is an example of which of the following category of hardware devices?
a) Input
b) Output
c) I/O
d) Primary storage
e) Secondary storage
c) I/O
A hard disk is an example of which of the following category of devices?
a) Input
b) Output
c) I/O
d) Primary storage
e) Secondary storage
e) Secondary storage
How many different bus systems does exist in a computer?
a) 2
b) 3
c) 4
d) 6
e) None of the above
c) 4
What is the port number of DNS?
a) 21
b) 25
c) 80
d) 110
e) None of the above
e) None of the above
ICMP and IGMP protocols belong to which of the following OSI layers?
a) Presentation
b) Session
c) Application
d) Network
e) Transport
d) Network
Which of the following protocols is a connection-less protocol?
a) HTTP
b) IP
c) HTTPS
d) UDP
e) TCP
d) UDP
Which of the following Ip addresses is referred to a loopback address?
a) 10.1.1.1
b) 172.16.0.1
c) 192.168.0.1
d) 224.0.0.1
e) 127.0.0.1
e) 127.0.0.1
Which of the following IP addresses belongs to the multimedia range of addresses?
a) 10.1.1.1
b) 172.16.0.1
c) 192.168.0.1
d) 224.0.0.1
e) 127.0.0.1
d) 224.0.0.1
Which of the following IP addresses is an APIPA address?
a) 169.254.1.1
b) 172.16.0.1
c) 192.168.0.1
d) 10.10.10.10
e) 127.0.0.1
a) 169.254.1.1
Considering the IP address of 192.168.1.154 and its default subnet mask, which of the following is the host address?
a) 192
b) 154
c) 192.168
d) 192.168.2
e) 192.168.1.154
b) 154
What is the port number of SMTP?
a) 110
b) 22
c) 25
d) 124
e) 53
c) 25
Which of the following protocols can be used to read or download an email?
a) SMTP
b) POP3
c) FTP
d) IMAP4
e) Both B & D
e) Both B & D
Given the IP address of 129.29.139.20 and its default subnet mask, what is the network address?
a) 20
b) 139.20
c) 29.239.20
d) 129.29
e) None of the above
d) 129.29
A TCP/IP socket is defined as:
a) IP address
b) Port number
c) UDP
d) TCP
e) Both A & B
e) Both A & B
Which of the following servers can be placed in DMZ?
a) Web
b) FTP
c) Email
d) DNS
e) All of the above
e) All of the above
Dynamic IP addresses are automatically assigned by a ____ server.
a) DNS
b) VPN
c) NAT
d) DHCP
e) All of the above
d) DHCP
Which of the following commands provides information about active TCP & UDP connections?
a) Ipconfig/all
b) Tracert
c) Netstat
d) Ping
e) Pathping
c) Netstat
The address 10.43.130:23 is referred to as a(n) ______
a) IPv4
b) IPv6
c) Port
d) Physical node
e) Socket
e) Socket
Which of the following commands is used to query a DNS Server?
a) Ipconfig
b) Tracert
c) Nslookup
d) Nbstat
e) Ping
c) Nslookup
Which type of DNS record identifies an email server?
a) AAAA record
b) CNAME record
c) MX record
d) PTR record
e) SRV record
c) MX record
Which of the following servers hides internal IP addresses from external network?
a) DNS
b) NAT
c) DHCP
d) Mail
e) None of the above
b) NAT
What is the default lease time of a DHCP server?
a) 2 days
b) 4 days
c) 6 days
d) 8 days
e) Unlimited
e) Unlimited
A device that operates at Layer 3 and up is called a ____
a) Switch
b) Router
c) Hub
d) Gateway
e) None of the above
d) Gateway
This device operates at data link layer
a) Switch
b) Hub
c) Router
d) Gateway
e) None of the above
a) Switch
This server or device processes the assignment of a TCP port number to each ongoing session between a local host and an Internet host
a) DHCP
b) Router
c) NAT
d) Gateway
e) PAT
e) PAT
IGMP operates at the ______ layer of OSI model to manage multicasting
a) Network
b) Transport
c) Session
d) Physical
e) Application
a) Network
A TCP handshaking is processed in _____ steps
a) 2
b) 3
c) 4
d) 5
e) 8
b) 3
The amount of data that could be theoretically transmitted during a given period of time is called ______
a) Throughput
b) Speed
c) Bandwidth
d) Baseband
e) Broadband
c) Bandwidth
A paragraph of a text document contains approximately _____ data
a) One MB
b) One Mbps
c) One KB
d) One Giga bits
e) Ten bytes
c) One KB
An extended ASCII table contains values between _____ and _____
a) 1, 128
b) 0, 127
c) 128, 254
d) 127,256
e) 128, 255
e) 128, 255
Which of the following standards is designed for structural cabling for commercial building wiring standard?
a) IEEE 802.1
b) IEEE 802.3
c) TIA/EIA 568 standard
d) ISO 320000
e) OSI layer 7
c) TIA/EIA 568 standard
The cross talk issue is associated with which of the following type of cables?
a) Twisted pair cable
b) 10Base2
c) Coaxial
d) Fiber optic
e) None of the above
a) Twisted pair cable
Which of the following multiplexing technologies offers a fewer number of fiber optic channels?
a) FDM
b) STDM
c) WDM
d) DWDM
e) CWDM
e) CWDM
What is the maximum cable length supported by the 100BaseTX standard?
a) 100 meters
b) 185 meters
c) 500 meters
d) 25 meters
e) 5000 meters
a) 100 meters
What is the maximum cable length supported by the 10Base5 standard
a) 100 meters
b) 185 meters
c) 500 meters
d) 25 meters
e) 5000 meters
c) 500 meters
What is the maximum speed of Cat3 associated with the Token Ring Topology?
a) 100 mbps
b) 10 mbps
c) 1 mbps
d) 3 mbps
e) 4 mbps
e) 4 mbps
Which of the following cable connectors is/are associated with a Single Mode Fiber (SMF)?
a) MT-RJ
b) SC
c) ST
d) LC
e) Both B & C
e) Both B & C
What is the maximum cable length of a 10Base-ER cable?
a) 550 meters
b) 5000 meters
c) 10,000 meters
d) 1500 meters
e) None of the above
e) None of the above
