Question 21 A network where all traffic feeds through a centralized gateway uses which of the following topologies? Ring OOO in leave this response > A Moving to another question will save this response. Question 22 Users notice a problem with their network connectivity when additional lights are turned on. Which of the following would be the cause for this problem? Crosstalk Open Short EM RA Question 23 A network administrator suspects a broadcast storm is causing performance issues on the network. Which of the following would be used to verify this situation? Environmental Monitor Multimeter Tone Probe Protocol Analyzer Moving to another question will save this response. Question 24 Users at a remote site are unable to establish a VPN to the main office. At which of the following layers of the OSI model does the problem MOST likely reside? Transport Network Transport Session A Moving to another question will save this response.