What is 4th level support?
Level 4 support refers to an additional, higher level of technical support provided for specialised or unique situations, or it may refer to a product development, engineering team, or a third-party service provider.Tier III (or Level 3, abbreviated as T3 or L3) is the highest level of support in a three-tiered technical support model responsible for handling the most difficult or advanced problems.Level 1 involves simple customer requests that require limited IT support, Level 2 escalates into more in-depth problems, and Level 3 utilizes subject matter experts that can figure out the toughest customer needs.

What are different levels of support : The five tiers of customer support are tier 0: self-service, tier 1: general, tier 2: technical, tier 3: expert, and tier 4: third-party. Note: The standard for support tiers is normally tier 0 through tier 3. However, we also highlight tier 4 below because select industries incorporate that level.

What is L1 L2 L3 L4 support

L1, L2, L3 & L4 are diferent level of support services and each level of support service has a time frame, within which it should be resolved. The L1, L2, L3 & L4 are decided by customer ideally based on the type of complexity and / or priority, which are already agreed in the contract.

What is the role of L4 support : L4 refers to the highest level of support in a business hierarchy. This is a form of escalation customer service that may include consultants, third-party experts, vendors, and product architects.

Level 1: first line support. Level 2: technical support. Level 3: expert support. Level 4: third-party support.

EXPERIENCED (LEVEL 3): Experienced professional who knows how to apply theory and put it into practice with in- depth understanding of the professional field; independently performs the full range of responsibilities within the function; possesses broad job knowledge; analyzes problems/issues of diverse scope and …

What is L1 L2 L3 and L4 support

As Rajesh Said, L1, L2, L3 & L4 are diferent level of support services and each level of support service has a time frame, within which it should be resolved. The L1, L2, L3 & L4 are decided by customer ideally based on the type of complexity and / or priority, which are already agreed in the contract.L1, L2, and L3 support is a tiered system of remote IT support. Different levels organize help desk teams according to specialization, problem type, urgency, and expertise. A proper division of labor helps you better address the wide range of possible IT service issues.

Types of Social Support
Emotional Expressions of empathy, love, trust and caring
Instrumental Tangible aid and service
Informational Advice, suggestions, and information
Appraisal Information that is useful for self-evaluation


Tier-4 (Level 4) support usually refers to outside support teams who provide support to the services that are not directly supported by the organization. This support level works by following the principles of ITIL Supplier Management process.

What is the difference between Tier 3 and Tier 4 support : Level of access: Tier III technical support may have limited access to hardware or software systems and may need to escalate issues to Tier IV if they require deeper access. Tier IV technical support has full access to systems and can perform advanced diagnostic and troubleshooting procedures.

What is L1 L2 L3 L4 level : L1, L2, L3 & L4 are diferent level of support services and each level of support service has a time frame, within which it should be resolved. The L1, L2, L3 & L4 are decided by customer ideally based on the type of complexity and / or priority, which are already agreed in the contract.

What is a L4

The L4 and L5 are the two lowest vertebrae of the lumbar spine. Together with the intervertebral disc, joints, nerves, and soft tissues, the L4-L5 spinal motion segment provides a variety of functions, including supporting the upper body and allowing trunk motion in multiple directions.

Level 4 qualifications are equivalent to the first year of a bachelor's degree and are considered advanced learning. They are typically taken after college A-levels, an Access to Higher Education programme or similar Level 3 courses. This guide will focus on the main types of Level 4 courses available.ADVANCED (LEVEL 4): Technical leader with a high degree of knowledge in the overall field and recognized expertise in specific areas; problem-solving frequently requires analysis of unique issues/problems without precedent and/or structure.

What is level 4 in work : More Definitions of Level 4 employee

An Employee who has completed an apprenticeship or who has passed the appropriate trade level test and who is engaged in maintenance and construction and is solely responsible for their own work and other employees under their supervision.