Networking Trivia

1. From what university was the Morris worm, the first known worm attack, apparently launched?

From Quiz Networks, Internet and Communications

Answer: MIT

A worm is a type of malicious software that self-replicates itself. The Morris worm was created by a Cornell University student named Robert Tappan Morris, but it was distributed through MIT to make it look as if it had originated there. This act also resulted in a felony conviction under the 1986 Computer Fraud and Abuse Act in the USA.

From Quiz The OSI Reference Model

Answer: Open System Interconnection

The OSI reference model is used as a guide for teaching and understanding the way networks operate.

From Quiz For Networking Lovers

Answer: Carrier Sense Multiple Access/Collision Detection

The Carrier Sense part refers to the ability of a network node to listen on the line for traffic before sending a data packet. Because each node has equal access to the line (Multiple Access) collisions occur very frequently. So, Collision Detection is used to determine if two or more lines of code collide and if they do the node will resend the data after a random amount of time until the destination address is reached. Collisions are the reason that although it might be a 10base or 100base network, only 70 percent of the maximum bandwidth is utilized.

From Quiz PC Networking

Answer: Data Link

Physical {layer;} hubs, repeaters, cabling. Data-Link {layer;} bridges, network cards. Network {layer;} routers. Gateways operate can operate at any layer depending on their purpose.

From Quiz Networking and Stuff

Answer: 7

Application, Presentation, Session, Transport, Network, Data Link and Physical.

From Quiz Open Shortest Path First (OSPF) Facts

Answer: 110

A routing protocol's administrative distance (AD) is a number used by a router to select which path is better to a destination network if there are multiple paths to it issued by different routing protocols. Priority is given to lower numbers. OSPF's AD is 110, EIGRP's AD is 90, IS-IS's AD is 115, and RIP's AD is 120.

From Quiz Networks, Internet and Communications

Answer: 4

The four computers to be connected were located at UCLA, Stanford Research Institute, UC Santa Barbara, and the University of Utah.

From Quiz For Networking Lovers

Answer: 10base5

Vampire taps refer to the connection in a transceiver box that essentially taps into a Thick Ethernet cable, usually around RG-8 or RG-11. Yellow cable is another common name for Thick Ethernet with others including Thin Net and Garden Hose.

From Quiz PC Networking

Answer: Network

The easy way to remember these is to think about what type of data the device is really interested in. Physical layer deals with electical pulses, 1's and 0's, etc. Data-Link deals with MAC addresses. Network deals with IP addresses, IPX addresses, or some other high-level address.

From Quiz Networking and Stuff

Answer: Session

From Quiz Open Shortest Path First (OSPF) Facts

Answer: OSPFv3

OSPFv3 was created to provide support for IPv6. OSPFv1 was the first version but it was experimental and never implemented. OSPFv2 is the most commonly used version of OSPF in the early twenty-first century, and is usually the version people are referring to when they say OSPF. OSPFv2 only supports IPv4. OSPFv4 does not exist.

From Quiz Networks, Internet and Communications

Answer: Atlantic Ocean

It was aptly called The Transatlantic Telegraph Cable. It revolutionized communication between continents, reducing the time to transmit messages from ten days to just 17 hours. It was an engineering marvel that connected Europe and North America with a long undersea wire, allowing electrical signals to be transmitted across the ocean floor.

From Quiz The OSI Reference Model

Answer: Network

At the network layer, data is transported in the form of a packet.

From Quiz For Networking Lovers

Answer: fiddie or eff dee dee eye

It stands for Fiber Distributed Data Interface, which uses fiber optic cable to send data along a ring type network in which there can be many tokens and in some cases another FDDI network is mirrored with it to provide fault tolerance.

From Quiz PC Networking

Answer: Any layer

Gateways can run at any layer. Email gateways are usually higher layers, while protocol gateways operate at lower layers.

From Quiz Networking and Stuff

Answer: Asynchronous Transfer Mode

From Quiz Open Shortest Path First (OSPF) Facts

Answer: Hello

When forming and maintaining adjacencies, routers using OSPF send out hello packets to their neighbors by default every 10-30 seconds. After the adjacencies have formed, the OSPF router is in the two-way operational state. Link-State Advertisements (LSA) is the name of the overall communication method OSPF routers use. ExStart is the operational state of OSPF that comes after the two-way state. Exchange is the operational state of OSPF that comes after the ExStart state.

From Quiz Networks, Internet and Communications

Answer: Sputnik 1

The Soviet Union launched Sputnik 1 on October 4, 1957. It fueled the ongoing Cold War between the USA and the Soviet Union. In response, NASA launched Echo, Telstar, and Courier 1B in 1960. Sputnik 1 was the first artificial satellite to orbit Earth. One of its primary purposes was to collect valuable data on atmospheric conditions and radio signal propagation in space.

From Quiz For Networking Lovers

Answer: BNC

Transceiver Boxes and AUI are essentially the same thing and occur in 10base5 networks, while RJ-45 connectors are used in networks like 10baseT and 100baseTX. The acronym BNC is thought by many to mean "British Naval Connector" and they look very similar to the connector you may see on the back of your television.

From Quiz PC Networking

Answer: 50 ohms

An easy way to find a bad terminator is to break the segment and measure both ends. If one end is 50 ohms and the other is something else (usually open or 0 ohms) the problem is on that side of the network.

From Quiz Networking and Stuff

Answer: Parity bit

From Quiz Networks, Internet and Communications

Answer: zoo

Jawed Karim, one of the co-founders of YouTube, filmed the first-ever YouTube video in San Diego Zoo in 2005. The 19-second video features Karim standing in front of elephants.

From Quiz For Networking Lovers

Answer: February 1980

February 1980 was when a major IEEE networking convention was held to discuss the standardization of various networks. You may have heard of 802.11 which is wireless internet or wifi, but there is actually a broad range of standards including the Ethernet standard of 802.3 and the token ring standard of 802.5 . IEEE has also standardized many other computer related concepts and components like IEEE 1394 otherwise known as Firewire and iLink.

From Quiz Networking and Stuff

Answer: Manchester Encoding

This method of encoding is not very widespread but can be quite effective if applied appropriately.

From Quiz Open Shortest Path First (OSPF) Facts

Answer: priority number, router ID

The DR and BDR are elected first based on the highest priority number. The router with the highest priority number becomes the DR, and the router with the second highest number becomes the BDR. If the priority number is not set, or is the same for two or more routers, the next deciding factor is the router ID. The router with the highest router ID becomes the DR and the router with the second highest router ID becomes the BDR. CPU speed is not a relevant factor in a DR/BDR election.

From Quiz Networks, Internet and Communications

Answer: Cricket

Cricket is a sport that originated in England. It is played with a bat and a ball and bears some similarities to baseball. Snicko Meter, Hot Spot, and Hawk Eye are used for different purposes in cricket. Snicko Meter helps to determine if there was a slight contact between the bat and the ball. Hot Spot uses infrared technology to detect whether the ball has touched the pads or not. Finally, Hawk Eye uses multiple cameras to create a 3D path of the ball.

From Quiz PC Networking

Answer: subnet mask & SUBNET MASK & Subnet Mask

The subnet mask is used to divide the IP address into two {parts;} the node address (unique to a single computer on the network), and the network address (common to all computers on the network).

From Quiz Networking and Stuff

Answer: unicode

The Unicode Consortium describe it as follows - "Unicode provides a unique number for every character, no matter what the platform, no matter what the program, no matter what the language."

From Quiz Open Shortest Path First (OSPF) Facts

Answer: Area 0

The backbone area is a requirement whenever multiple OSPF areas are present, partly in order to prevent routing loops. Areas learn about other area's routing information through the backbone area. In multiarea OSPF, all other areas must connect to the backbone area.

From Quiz Networks, Internet and Communications

Answer: Wireless Andrew

Carnegie Mellon University, located in Pittsburgh, was one of the pioneers in establishing a campus-wide wireless connection known as Wireless Andrew in 1994. This wireless network was an important milestone in the field of wireless networking and was named after the two founders of Carnegie Mellon University - Andrew Carnegie and Andrew Mellon.

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Last Updated Dec 21 2024 5:46 AM

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