MMR vaccine may be given at the same time as other vaccines. Children between 1 and 12 years of age can get a combination vaccine called MMRV, which contains both MMR and varicella (chickenpox) vaccines. There is a separate Vaccine Information Statement for MMRV.
Wi-Fi connections can be disrupted or the internet speed lowered by having other devices in the same area. Many 2.4 GHz 802.11b and 802.11g access-points default to the same channel on initial startup, contributing to congestion on certain channels.
On the other hand, if you are on a cellular connection, the Internet speed will vary depending on if you are using a 3G vs. a 4G connection and also the quality of the signal. 3G has a max speed of 1-4 Mb/s while 4G is on average 8-12 Mb/s.