1. Show the encoding for the INTEGER 1456 using BER.
2. Show the encoding for the OCTET STRING "Hello world." using BER.
3. Show the encoding for the IPAddress 112.56.23.78 using BER.
4. Show the encoding for the object identifier 1.3.6.1.2.1.7.1 (the udpInDatagram variable in udp group) using BER.