Practice Test 3 Flashcards
(25 cards)
Layer 5 of the OSI model is also referred to as:
- Session Layer
- Application Layer
- Transport Layer
- Presentation Layer
Session layer
Which of the answers listed below refer to the components that can be found at the OSI network layer? (Select 3 answers)
- Router
- Network cabling
- IP address
- TCP/UDP protocols
- Switch
- Packet
Router
IP address
Packet
The term “Presentation layer” refers to:
- Layer 7 of the OSI model
- Layer 5 of the OSI model
- Layer 6 of the OSI model
- Layer 4 of the OSI model
Layer 6 of the OSI model
Layer 2 of the OSI model is known as:
- Transport layer
- Network layer
- Data Link layer
- Physical layer
Data link layer
Which of the following terms refers to the OSI network layer?
- Layer 2
- Layer 5
- Layer 3
- Layer 4
Layer 3
Which of the protocols listed below reside at the OSI transport layer? (Select 2 answers)
- UDP
- SSL/TLS
- ICMP
- TCP
- ATM
UDP
TCP
Which OSI layer assumes the responsibility for managing network connections between applications?
- Network layer
- Data Link layer
- Application layer
- Session layer
Session layer
Physical layer of the OSI model is also known as:
- Layer 2
- Layer 7
- Layer 1
- Layer 4
Layer 1
Layer 4 of the OSI model is also referred to as:
- Network layer
- Data Link layer
- Session layer
- Transport layer
Transport layer
Character encoding, data compression and encryption/decryption take place at the:
- Application layer of the OSI model
- Presentation layer of the OSI model
- Session layer of the OSI model
- Transport layer of the OSI model
Presentation layer of the OSI model
Which of the following protocols reside at the application layer of the OSI model? (Select 3 answers)
- ATM
- HTTP
- FTP
- IP
- SMTP
- TCP/UDP
HTTP
FTP
SMTP
In computer networking, the term “Collision” refers to a situation in which two or more demands are made simultaneously on an equipment that can handle only one request at any given moment.
- True
- False
True
A network segment utilizing only this type of device is the most prone to network performance degradation due to large number of network collisions.
- Bridge
- Hub
- Switch
- Router
Hub
Which device improves network performance by dividing a given network segment into separate collision domains?
- Hub
- Repeater
- Switch
- Router
Switch
Which of the devices listed below is used for separating broadcast domains?
- Router
- Switch
- Repeater
- Hub
Router
The purpose of the Carrier Sense Multiple Access (CSMA) protocol is to verify the absence of other traffic on a shared medium before transmitting to prevent collisions and loss of data.
- True
- False
True
Which of the following allows for verifying the absence of traffic on a shared transmission medium in 802.3 networks?
- CDMA
- CSMA/CA
- CWDM
- CSMA/CD
CSMA/CD
A solution that allows to control access to a shared transmission medium in 802.11 networks is known as:
- CWDM
- CSMA/CD
- CDMA
- CSMA/CA
CSMA/CA
In telecommunications, Protocol Data Unit (PDU) is a term used for describing a specific unit of data passed across a network.
-True
-False
-
True
Which of the statements listed below is not true?
- The ATM PDU is the cell
- OSI physical layer PDU is the bit
- OSI data link layer PDU is the frame
- OSI network layer PDU is the packet
- OSI transport layer PDU is the segment
- PDUs between OSI session and application layers are referred to simply as the data
- All of the above statements are true
All of the above statements are true
Which of the following metrics is used to describe the largest allowable data unit that can be transmitted across a network?
- PDU
- MTU
- DSU
- BPDU
MTU
A networked host with unknown address can be reached via:
- Unicast
- Multicast
- Broadcast
Broadcast
A type of network traffic intended for a particular group of hosts is called:
- Unicast
- Multicast
- Broadcast
Multicast
A type of network traffic intended for a single host identified by a unique IP address is referred to as:
- Unicast
- Multicast
- Broadcast
Unicast
