Packet forwarding - Study guides, Class notes & Summaries

CNIT 344 Exam 2 Latest Update with Complete Solutions IPv4 connectionless (the sender doesn't know if the receiver is present or if the packet arrived or if the receiver can read the packet), unreliable (IP does not have the capability to manage and recover from undelivered or corrupt packets, so other protocol layers manage reliability), media independent 32 bits/4 bytes Key piece of the IP Packet Header, length of IPv4 header Type of service Key piece of the IP Packet Header, 8 1-bit fields,...

FDM - Shares communication channel by allowing full-time access to only part of the communication channel for each circuit TDM - shares communication channel by allowing the entire channel to be used by different circuits, one per each time slot guided media technology - uses wires, fibers, or other similar mechanisms to send and receive signals circuit switched networks - maintains the reserved resources for the entire duration of the communication, whether they are used to the fullest c...

NCTI Final Exam: Progression Field Tech 5- 6 Exam| New Update 2023/ 2024| Verified Questions and Answers 1. For any DSL line version, connection speed depends on the customers distance from the providers__________________  Answer: Digital subscriber line access multiplexer (DSLAM) 2. Which technology uses fixed sized cells for transporting data?  Answer: Asynchronous Transfer Mode (ATM) 3. Which is an international standard for a high speed connection oriented ...

ENCOR - Chapter 1 - Packet Forwarding

Which of the following is the physical infrastructure that provides interconnections between ISPs? a. A demarcation point b. An Internet exchange point c. A central office d. A point of presence → b. An Internet exchange point 1.2 Which of the following provides physical separation between service provider and customer responsibilities? a. A provider edge router b. An Internet exchange point c. A demarcation point d. A point of presence → c. A demarcation point 1.3 Which TCP/IP...

which of the following commands is used to change the working directory of the user for individual sessions? A. file list/var/ B. show cli directory C. set cli directory directory D. show system directory-message C. Set CLI Directory, name of the directory Identify the uses of configuration groups (Choose Three) 1. Apply a group of configuration statements to a different section of the configuration. 2. Separate the common interface media parameters from the interface-specific addressi...

1. Which OSI(Open Systems Interconnection model) layer is related to the function of the IP protocol suite?: Network 2. Which OSI(Open Systems Interconnection model) layer is responsible for organizing how bits are passed over the physical layer between devices within the same collision domain?: Data link 3. Which OSI(Open Systems Interconnection model) layer would define the scope of a protocol that makes sure packets of data are received correctly and resends them if they are not?: Transpo...

CNIT 455 Exam I Latest Update with Verified Solutions T/F A Packet Filter is hardware that limits connectivity F (Software) Packet filters block _______ and ______ traffic ingress, egress Packet filters use ____ based filtering rule Packet filter rules are combined into ________ rulesets T/F A good practice with packet filters is to allow what you want then deny all else. T A firewall always includes a ______ ______ packet filter T/F All packet filters are firewalls F (Firewalls contain pa...

CNET 157 Final Exam UPDATED Questions and CORRECT Answers In general, what level of security should use with your access points? - CORRECT ANSWER- wireless encryption protocol A router's final task when handling a packet is to send the packet onto its next and possibly final destination; this is referred to as packet _____. - CORRECT ANSWER- forwarding

What is the last step of packet processing in the firewall? check allowed ports check Security Profiles check Security policy forwarding lookup - ️️Check Security Profiles Which interface type requires you to configure where the next hop is for various addresses? tap virtual wire Layer 2 Layer 3 - ️️Layer 3 How do you enable the firewall to be managed through a data-plane interface? You specify Web UI in the interface properties. You specify Management in th...