BSNL JTO case studies
BSNL JTO · Put your knowledge to work in context.
BSNL JTO (Junior Telecom Officer) is a recruitment examination conducted by Bharat Sanchar Nigam Limited for engineering graduates seeking a technical officer role in India's state-owned telecom operator. Candidates typically hold a B.E./B.Tech or equivalent in Electronics, Electronics and Communication, Computer Science, IT, or Telecom Engineering; always confirm the current eligibility notification before applying. The BSNL JTO case studies are 5 cases and about 2,752 words.
1GPON Splitter Choice for a 20-ONT Rural Link
A BSNL JTO is planning a GPON FTTH link from an OLT to a gram panchayat 12 km away. The OLT PON port launches +3 dBm; ONT receiver sensitivity is -27 dBm and overload -8 dBm.
612 words, about 3 min2SIP Trunk Sizing for a 400-Line Enterprise
A BSNL JTO is sizing voice capacity for an enterprise migrating 400 analog lines to SIP. In the busy hour each line averages 1.8 call attempts, and the mean holding time is 3 minutes.
497 words, about 2 min37 GHz Microwave Link Fade Margin Under Rain and Multipath
A BSNL JTO is designing a 7 GHz microwave link between two exchanges 32 km apart. The transmitter output is 28 dBm, each antenna has 36 dBi gain, each end has 2.5 dB feeder loss and 1 dB branch loss.
489 words, about 2 min4VLAN Leak, DHCP Instability, and Server ACL in an Enterprise Campus
A BSNL enterprise customer has a campus with three VLANs: VLAN 10 for users on 192.168.10.0/24, VLAN 20 for servers on 192.168.20.0/24, and VLAN 30 for management on 192.168.30.0/24. Inter-VLAN routing is done on a router-on-a-stick with 802.1Q subinterfaces.
615 words, about 3 min5Lowest-Cost Team Allocation for a 90-Connection Broadband Rollout
A BSNL JTO must commission 90 new broadband connections in a block within 30 days. Three teams are available.
539 words, about 3 min