Acronyms rule the IT world, and the networking field is no exception to this. We’ve collected a few of the acronyms that we come across often in our performance monitoring world. Do you know what they all mean? If you tweet us or leave a comment with your score, our CMO promises to do a pushup for every correct answer.
Know Your Network Acronyms
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What does TCP stand for?
Tracking Control Packets
Transnational Communications Protocol
Transmission Control Protocol
Telephony Control Protocol
Question 1 Explanation:
TCP is a Level 4 networking protocol that works together with IP, the Internet Protocol, as the foundation of the open internet. Together, they define how computers send packets of data. TCP guarantees delivery of data and that packets are delivered in the same order in which they were sent.
What does BGP stand for?
Bridge Gateway Presence
Bright Garage Protocol
Border Gateway Protocol
Byte Generator Protocol
Question 2 Explanation:
This protocol uses the OSPF standard (open shortest path first) to determine the path between two endpoints (usually core routers), but it can sacrifice quality for speed, since
BGP pays no attention to how much data is sent or has been sent on network routes.
What does ICMP stand for?
Internal Communication Messaging Protocol
Internet Control Message Protocol
Internet Communications Megabyte Proof
International Control Management Price
Question 3 Explanation:
ICMP is a Layer 3 protocol that alerts network devices when IP packets run into problems and don’t get delivered. It isn’t a messaging protocol, but is important for network troubleshooting. ICMP is used most commonly by the basic networking commands: ping and traceroute.
What does UDP stand for?
Unified Diagram Protocol
User Data Processing
Unified Data Protocol
User Datagram Protocol
Question 4 Explanation:
UDP is an alternative to TCP that’s used mainly to set up internet connections with low latency. It provides a direct way to send and receive datagrams via IP networks. Unlike TCP, it does not guarantee delivery, so it's well-suited for voice and video traffic where retransmits are not necessary.
What does OSPF stand for?
Open Still Path First
Original Shortest Path First
Open Smallest Path File
Open Shortest Path First
Question 5 Explanation:
OSPF is a router protocol that looks for the best path for packets to move across connected networks. It’s a link-state, Interior Gateway Protocol (IGP) often used in enterprise networks, but BGP also relies on it.
What does APEX stand for?
Application Example System
Alphabetical Priority Expert
Application Path Expert System
Advanced Priority Examination
Question 6 Explanation:
APEX is AppNeta's patented expert system for data analysis, part of the TruPath analytics engine. APEX performs a kind of pattern recognition on packet timing and loss and other network errors to discover what degradation may be affecting network performance. The output includes the symptoms, probable root cause and a confidence score.
What does RTT stand for?
Regular Trip Time
Round Teletype Time
Resting Trip Type
Question 7 Explanation:
RTT is an important network metric that is especially essential to measure in this era of cloud services and SaaS apps. The internet is asymmetric, which means that inbound traffic most likely traverses a different path than outbound traffic. RTT metrics can show which network path is causing performance delays, in both directions.
What does QoS stand for?
Quantify Other Services
Quality of Service
Question of Systems
Quantity of Sales
Question 8 Explanation:
QoS is a network metric tied to routing priority for traffic over specific ports or protocols using specific DSCP values (Differentiated services code points). It can ensure a good experience for business-critical apps, so QoS comes into play when congestion hits the network. Monitoring QoS is important because not all internet networks will honor the values entered when the traffic is sent.
The MTU is the largest physical packet size that a network can transmit. The MTU size can be changed and is set depending on circumstances. There’s usually an MTU associated with a network device like a port or NIC, or a network standard can mandate MTU. Some traffic, like data traffic, will normally send packets equal to the MTU, while voice and video will split traffic into smaller packets to mitigate quality issues if packets are dropped.
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Christine Cignoli is a technology writer based in Boston. She's written about storage, data center infrastructure, virtualization and enterprise apps for more than ten years, and has a master's in publishing and writing from Emerson College.