Layers - Study guides, Class notes & Summaries

What are advantages and disadvantages of a layered architecture? - Each protocol layer offers different services. Some advantages are scalability, flexibility, and ease of adding / removing components making it easier for cost-effective implementations. Disadvantages include: some layers functionality depends on the information from the other layer and violates the goal of layer separation; one layer may duplicate lower layer functionalities; overhead both in computation and in message head...

NCTI Final Exam: Progression Field Tech 4- 5 Exam| 2023/ 2024 Update | Verified Questions and Answers 1. Which of the following, within the TCP/IP model layers, delivers packets to their destination across multiple networks, as does the Open Systems Interconnection (OSI) model Network Layer?  Answer: Internetwork Layer 2. The header of an Internet Control Message Protocol (ICMP) message includes a Type field. The number in this field represents a message type as well as the fo...

Final Exam: BIOS 251 / BIOS251 (New 2024/ 2025 Update) Anatomy and Physiology I Exam | Guide with Questions and Verified Answers| 100% Correct| A Grade - Chamberlain Smooth Muscle Answer: Involuntary muscle found inside many internal organs of the body One central nucleus QUESTION Cardiac Muscle Answer: Involuntary muscle tissue found only in the heart. intercalated disc, strations, one nucleus QUESTION Skeletal Muscle Answer: Striated, volunt...

Objects under water appear: 1: The same size as they do on land. 2: Twice as large as they do on land. 3: Closer and larger than they do on land. 4: Smaller and farther away than they do on land. - Closer and larger than they do on land. As you descend: 1: Colors appear to fade. 2: Reds and oranges are among the first colors to disappear. 3: At 30 m/99 ft, little color remains other than blues, grays, blacks and whites. 4: All of the above. - All of the above. Which of the following st...

Layers of the skin - epidermis, dermis, hypodermis Stratum Corneum - Protective durable overcoat, waterproof, tough, relatively insensitive to biological, chemical and physical assault. Stratum Lucidum - visible only in thick skin, few layers thick, dead clear cells Stratum Granulosum - 3-5 layers of thick keratinocytes flastten out Stratum Spinosum - overlies the stratum basale, cells come from the basale, filaments u the cells that resist tension, keratinocytes have a spiny appearance, c...

The heart is found in what cavity? (Ans- thoracic Which layer of the heart is found on the inside? (Ans- Endocardium The heart is positioned in-between what? (Ans- The lungs Which layer of the heart is the thickest and is made of cardiac muscle? (Ans- Myocardium The base of the heart is located at the... (Ans- at the 2nd rib What fluid can be found between the visceral and parietal pericardium? (Ans- Serous fluid What are the layers of the heart? (Ans- endocardium, my...

Basics covered in Level 1 -Nuclear Testing Speedy Moisture Report Forms Earthwork has to do with the roadway in what way? -Earthwork is the excavation and placement of soils and materials supporting the proposed roadway. In Earthwork what is a lift? - 6" of compacted depth at full width In Earthwork what is a Lot? - A lot is 1 lift at 500 ft or within compacted area. Isolated compaction operations are separate lots. Sampling at the roadway is done for - Done for base, sub grade, and emb...

ATI PN Maternal Newborn Practice CMS PRACTICE EXAM B (Latest 2023/ 2024) | Questions and Verified Answers with Rationales | 100% Correct Q: A nurse is reinforcing teaching w/ a client who has a new prescription for medroxyprogesterone acetate injection for contraception. Which of the follow- ing statements by the client indicates and understanding of the teaching? -"I should not receive this medication while I am breastfeeding." -"I will need monthly injections of the medication." -"I...

CYBR 2600 Midterm Review Test Questions & Answers 2024/2025 The original commercial version of Ethernet supported 10 Mbps bandwidth; the version introduced in the early 1990s supports 100 Mbps; and in 1998, Gigabit Ethernet was introduced. All versions use the same data frame formats, with the same maximum PDU sizes, so they can interoperate freely. Given this information and what you know of layered technologies, which of the following statements is true? (Choose all that apply.) - ANSWERS...

Which of the following is a cause of bradypnea? Increased activity narcotic analgesics Test anxiety Decreased oxygen saturation - narcotic analgesics A damp/damp dressing is an example of what type of wound debridement? Autolytic Surgical Mechanical Enzymatic - Mechanical What statement describes a stage 2 pressure ulcer? Damage extends to the fascia Skin is intact and does not blanch Presents as open or fluid-filled blister, or shallow crater Base is covered with slough and wo...