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Definition
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Term
| T/F is the internet the biggest network in the world? |
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Definition
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| The National ISP constitutes the Internet....? |
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Definition
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| T/F the backbone links are Trunk Links? |
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Definition
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Definition
| Local/ Regional ISPs provide service to individuals and businesses |
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Definition
| gateways to the internet and trunk links that interconnect them |
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Definition
| The ring running on optical fibers at such high speed as OC-192(9.95GBPS) |
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| Which has higher circuit speeds? Tier 1, Tier 2, or Tier 3? |
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Definition
| Tier 1 has the highest circuit speeds |
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Definition
| Network Access Point (NAP) |
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Term
| What is an issue with solely using an IXP as a gateway to the internet? |
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Definition
| It can create serious bottlenecks! |
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Definition
| A way for ISPs to get around IXPs thus avoiding some of the bottlenecks |
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Definition
| represents one or more interconnected networks and routers which are generally under the control of one entity. |
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Term
| What is the Autonomous System sometimes called? |
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Definition
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| Interior Gateway Protocol |
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Definition
| The protocols facilitate the the AS exchange of routing information |
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Term
| What protocol do the border routers of AS utilize |
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Definition
| Exterior gateway protocol |
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Term
| HTTP-Hyper Text Transfer Protocol |
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Definition
| The protocol used by web browsers and the web server to produce messages, exchange and interpret them! |
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Term
| HTTP-Hyper Text Transfer Protocol |
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Definition
| The protocol used by web browsers and the web server to produce messages, exchange and interpret them! |
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Definition
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Definition
| Domain Name Server-The storage center of the pairs of domain names and IP addresses! |
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Definition
| The mapping process between the domain name and the IP address |
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Definition
| generic TLDs such as .com, .edu, .gov, .org and country code such as .jp, .uk |
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Term
| Second level domain is the sub-domain of TLD |
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Definition
| example texas.edu (specifically the Texas) |
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Term
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Definition
| Internet Corporation for Assigned Names and Numbers-a not-for profit organization that is responsible for managing top-level domains in addition to IP address space allocation of IANA |
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Definition
| those who process domain name applications from organizations and individuals |
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Term
| What is the URL composed of? |
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Definition
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| What are the two components of DNS servers? |
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Definition
| The local DNS and root DNS Server |
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Term
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Definition
| Dynamic Host Configuration Protocol-Dynamically allocates IP addresses to requesting hosts. The DHCP server may be a dedicated computer or alternatively it can be set up on a router |
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Definition
| Virtual Private Network! A tunnel through the internet to protect users... |
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Term
| What are the benefits of a VPN? |
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Definition
| Cost Effectiveness, Accessibility and scalability, |
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Term
| What are the two risks of using a VPN? |
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Definition
| Reliability as well as security |
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Term
| What are the two types of VPN? |
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Definition
| Remote access VPN and Site-to-Site VPN |
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Term
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Definition
| The process of encapsulating an encrypted and/or authenticated packet within another packet for secure delivery |
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Term
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Definition
| IP Security-utilizes security elements such as authentication, integrity and confidentiality |
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Definition
| The validation of communicating parties in their true identity |
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Definition
| assures that packets in transition are not changed accidentally or manipulated by unauthorized parties |
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Term
| What layer does IPSec operate in? |
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Definition
| IP Security operates in the internet layer |
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Term
| IS IPSec mandatory for IPV4 or IPV6? |
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Definition
| IpSec is optional for IPv4 and mandatory for IPv6 |
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Term
| What are the different modes that IPSec operates in? |
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Definition
| tunnel mode and Transport mode! |
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Term
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Definition
| Provides end-to-end (or host-to-host security) |
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Term
| Do you need special software for transport mode? |
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Definition
| YES which makes it much more costly than tunneling mode |
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Term
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Definition
| Secure Socket Layer-is a protocol that provides a relatively secure means to transport data over the internet |
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Term
| TLS-Transport Layer Security |
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Definition
| The official standard from Internet Engineering Task Force (IEFT) |
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Term
| In what layer does IPSec operate? |
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Definition
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Term
| What layer does SSL work? |
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Definition
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Term
| What is one of the biggest drawbacks of IPv4? |
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Definition
| IPv4 has a limited availability in terms of address space due to the 32 bit addressing scheme |
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Term
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Definition
| represents the maximum number of routers a packet is allowed to pass, and equivalent to time-to-live (TTL) in IPv4 |
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Term
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Definition
| identifies the IPv6 address of the source node |
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Term
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Definition
| indicates the length of the IPv6 payload (data field) |
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Term
| How many bits do the addresses in IPv6 use? |
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Definition
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Term
| Does IPv6 use a hierarchical addressing system? |
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Definition
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Term
| Rule 1 for address abbreviation: |
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Definition
| 1-all leading zeros can be omitted |
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Term
| What is the second rule for address abbreviations? |
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Definition
| A group of zeros can be substituted by a double colon |
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Term
| What does dual IP stacks do? |
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Definition
| embed both IPv4 and IPv6 concurrently in a stack |
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Term
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Definition
| If a destination network is running on IPv6 but the local network is still on IPv4, then the local host can produce IPv6 packets and encapsulate them within IPv4 packets for delivery |
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Term
| Direct Address Conversion |
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Definition
| IPv4 packets can be directly converted into those of IPv6 and vice versa |
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Definition
| a technological solution heavily adopted by the industry to address the problems. |
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Term
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Definition
| In this mode the host machine has its own server |
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Term
| Hypervisor-based virtualization |
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Definition
| the host machine does not need to have its own host OS such as windows |
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Term
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Definition
| hardware resources of many computers are pooled and managed as a whole just like a resource inventory |
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