Q: In a datagram, what does the flag field indicate? or Q: What does the flag field in a datagram mean? If a datagram has degraded and become unusable If a datagram should be scanned for viruses If a datagram is high or low priority If a datagram is allowed to or has already been fragmented Explanation: Whether or not…
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In a Class A address, the possible values for the first octet are:
Q: In a Class A address, the possible values for the first octet are: or Q: The following are potential values for the first octet of a Class A address: 255 through 420 128 through 199 0 through 127 0 through 255 Explanation: The range of potential values for the first octet of an IP address that is classified as…
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Why do entries in a local Address Resolution Protocol (ARP) table expire after a short amount of time?
Q: Why do entries in a local Address Resolution Protocol (ARP) table expire after a short amount of time? or Q: What causes entries in a local Address Resolution Protocol (ARP) table to vanish quickly? To account for network changes To keep space in the table It only needs to be used one time It will use too much memory…
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What does CIDR stand for?
Q: What does CIDR stand for? or Q: What is the acronym for CIDR? Clear Inter-Developer Relations Classic Intra-Demo Ratings Costless Inter-Data Routing Classless Inter-Domain Routing Explanation: Classless Inter-Domain Routing is what CIDR is an abbreviation for. The former class-based system of IP address allocation has been replaced by this technique, which is a different approach to the allocation of…
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A router is performing basic routing functions. What is the first step in the transmission of a packet?
Q: A router is performing basic routing functions. What is the first step in the transmission of a packet? or Q: Basic routing operations are carried out via a router. What is the first stage of a packet’s transmission? The router examines the destination IP of this packet. Check the routing table. A router receives a packet of data. Sent…
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Link state routing protocols are newer and they require…
Q: Link state routing protocols are newer and they require… or Q: The most recent link state routing schemes call for Less memory and less processing power Modern encryption standards More memory and more processing power Manual updating Explanation: This occurs because link state protocols are responsible for maintaining a comprehensive map of the topology of the network. This map…
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What protocol communicates data between routers representing the edges of autonomous systems?
Q: What protocol communicates data between routers representing the edges of autonomous systems? or Q: Which protocol allows data to be sent between routers that serve as autonomous systems’ edges? Distance-vector Exterior gateway Link state Interior gateway Explanation: In particular, the Border Gateway Protocol (BGP) is the outside gateway protocol that is used the most often now. The Border Gateway…
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Ranges of IP addresses anyone can use for their internal networks are known as______.
Q: Ranges of IP addresses anyone can use for their internal networks are known as______. or Q: The term “______” refers to IP address ranges that are available to everyone for usage on internal networks. MAC address Non-routable address space Subnet mask IP address Explanation: It is common practice to refer to these addresses as private Internet Protocol addresses. In…
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Which of the following is the first layer of the TCP/IP Five-layer network model.
Q: Which of the following is the first layer of the TCP/IP Five-layer network model. or Q: Which of the following describes the TCP/IP Five-Layer Network Model’s top layer? Network Data link Physical Transport Explanation: It is concerned with the actual transmission of data via the medium of the network infrastructure.
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Fill in the blank: When data flows across a cable in both directions, this is known as communication.
Q: Fill in the blank: When data flows across a cable in both directions, this is known as communication. or Q: Complete the blank: Communication occurs when information travels both ways over a cable. Ethernet Cross talk Duplex Simplex Explanation: Duplex communication is the term used to describe the process by which data travels in both directions via a cable.