3D0XX 9.6: Network Fault Isolation Techniques

In a default configuration of a class C subnet, which subnet mask should you assign to the clients?

O 255.255.0.0 O 255.255.255.255 O 0.0.0.0 O 255.0.0.0 O 255.255.255.0 (c)

Which type of address duplication conflict is most likely to happen O in a network environment?

O A MAC address conflicting with an IP address O Two hosts configured with the same statically assigned IP address (c) O A DHCP server assigning the same MAC address to different hosts O Two network adapters with the same MAC address O A DHCP server assigning the same IP address to different hosts

Which command line tools can be used to test and troubleshoot DNS?

O Ipconfig O Nslookup (c) O Tracert O Pathping O Ping (c)

Which administrative tool can be used to view logged entries associated with service starts, crashes or fallures?

O Services console O PowerShell O Event Viewer-Application log O Event Viewer-System log (c) O Command line

If a DHCP service is healthy yet still no server is configured properly with a scope and the addresses are being assigned what is the most likely cause?

O The scope does not contain enough addresses O The DHCP service has been disabled O All client systems have been configured statically O The lease is not long enough O The scope has not been activated (c)

Which troubleshooting tool provides detailed information about TLS handshake?

O Tracert O SSL Labs O Wireshark (c) O A port scanner O OpenSSL

Which problems might be encountered if a router's ACL is misconfigured?

O Unauthorized access may be granted (c) O Logging is disabled O All security rules may be disabled O Legitimate traffic may be blocked (c) O NAT is no longer being processed

Which scenario would be best suited to a very short DHCP lease duration?

O When your client systens are statically configured O When your corporate network has more available addresses than client systems O A home network O A public WIFI area such as a coffee shop (c)