Computer Networks
Tests knowledge of computer networking fundamentals including transmission types, OSI model layers, network protocols, and communication concepts.
Questions
Which reports, errors, and other information help you to diagnose unsuccessful packet delivery?
- Internet Protocol
- Internet Control Message Protocol
- Internet Group Management Protocol
- Hypertext Transfer Protocol
- File Transfer Protocol
In which transmission does the sending system handle each group independently, relaying it to the link whenever ready without regard to a timer?
- Parallel transmission
- Full duplex transmission
- Asynchronous transmission
- Simplex communication
- Half duplex transmission
Which of the following deals with the electrical and mechanical specifications of the interface and transmission medium?
- Data link layer
- Network layer
- Physical layer
- Protocol
- Peer process
Which modulation finds the change from the previous sample?
- Pulse code modulation
- Delta modulation
- Modulator
- Adaptive delta modulation
- Demodulator
In which transmission is the bit stream combined into larger frames that may contain multiple bytes?
- Synchronous transmission
- Serial transmission
- Parallel transmission
- Full duplex
- Half duplex
Which of the following provides guaranteed transmission of data at a fixed rate?
- Simplex transmission
- Half duplex transmission
- Full duplex transmission
- Parallel transmission
- Isochronous transmission
Which of the following is responsible for process to process delivery of the entire message?
- Network layer
- Transport layer
- Data link layer
- Protocol
- Node
Which are noise owing to irregular disturbance, such as lightning, and flawed communication elements?
- Thermal
- Intermodulation
- Cross talk
- Impulse
- Attenuation
Which layer in OSI Model includes translation, encryption, and compression?
- Data link layer
- Network layer
- Presentation layer
- Open system
- Interface
Which layer acts as a network dialog controller?
- Network layer
- Data link layer
- Session layer
- Protocol
- Open system
Which is the standard method for finding a host's hardware address when only its network layer address is known?
- Reverse Address Resolution Protocol
- Address Resolution Protocol
- Domain Name System
- Internet Group management protocol
- File Transfer Protocol
Which layer offeres services like provision of network virtual terminals, file transfer, access and management, mail services and directory services?
- Application layer
- Network layer
- Data link layer
- Peer process
- Host
Which is currently a de facto standard, commonly used for point to point serial connections running TCP/IP?
- IGMP
- HTTP
- FTP
- SLIP
- SMTP
Which of the following defines a family of standards for 100 Mbps fiber optic LANs that provides the physical layer and media access control sub layer of the data link layer?
- Fiber Distributed Data Interface
- Interface
- Hypertext Transfer Protocol
- File Transfer Protocol
- Protocol
Which layer is responsible for process to process delivery of the entire message?
- Transport layer
- Network layer
- Data link layer
- Peer process
- Open system