Question 7(1 point) An attacker to a network is using social engineering to attack a network. This means which of the following? (Select all that apply) a b C d The attacker uses a dictionary attack. The attacker uses packet sniffing. The attacker claims to be from network support. The attacker is sifting through discarded trash. Question 8(1 point) The network administrator suspects that packet sniffing is being used to capture data packets in the network. The network administrator is using an SSH connection for all critical applications, and switches are being used on all network connections. Should the network administrator be concerned? a Yes, the network administrator should be concerned if someone is suspected of having internal access. Ob No, the SSH connection is fully encrypted and this cannot be decoded. No, the time required to decode the SSH is too lengthy to be a threat d Yes, the SSH connection is not very strong and parts are in plain text Question 9 (1 point The network administrator configures a VPN tunnel from a remote office to the main facility. A problem has occurred in the link. Which are the main steps the administrator should take to resolve the problem? (Select all that apply) a Check the source and destination IP address of the tunnel configured on the router b Make sure the IP addresses on the ends of the tunnel are in the same subnet Make sure the IP addresses on the ends of the tunnel are not in the same subnet d Use the show access-list command to verify the routers are properly configured