Question: Given a binary tree, get the total number of nodes in it. Example: Consider the image given below: Form the image above, The total number of nodes are 7. Solution: This problem can be solved by recursive traversal. Assume if you have only one node, …
Question: Given a binary tree, get the difference of the sum of the nodes at odd level and sum of the nodes at even level. Example: Consider the image given below: Form the image above, The sum of nodes at odd level is 16 + 7 …
As we discussed in previous chapter, handover is based on 3 steps as below: 1. HO Preparation 2. HO Execution 3. HO Completion 1. HO preparation Consider the image below We have 2 eNB, source eNB and Target eNB. We have MME and SGW. SGW is …
In this chapter we shall see SIP Registration and SIP Invite call flow. SIP REGISTRATION Call flow: User1 SIP Server | | | REGISTER M1 | |------------------------------>| | 401 Unauthorized M2 | |<------------------------------| | REGISTER M3 | |------------------------------>| | 200 OK M4 | |<------------------------------| | …