Which protocol is the predecessor of DHCP?

What does the NTP term "stratum" refer to?

Which three parameters are held in the dhcp_network file? (Choose three.)

How do you run DHCP in debug mode on a DHCP client?

A DNS server has MX records which indicate that there are three SMTP
relays for the domain gvon.com. A problem occurs, whereby other DNS servers make iterative queries for
the MX records every time they are queried by clients. Which two MX lines cause remote DNS servers to
refuse to cache the MX record for SMTP relay smtp.gvon.com? (Choose two.)

Which two tasks involve changes to the dhcptab database? (Choose two.)

Given the snoop trace that was run for three minutes:

sys10 -> sys4 NTPclient (Fri May10 14:45:02 2002)
sys4 -> sys10 NTPserver (Fri May 10 14:44:37 2002)
sys10 -> sys4 NTPclient (Fri May 10 14:46:06 2002)
sys4 -> sys10 NTPserver (Fri May 10 14:45:43 2002)
sys10 -> sys4 NTPclient (Fri May 10 14:47:10 2002)
sys4 -> sys10 NTPserver (Fri May 10 14:46:47 2002)

What is a reason that the NTP client has NOT changed its time?

A router is refusing to forward IP packets, and snoop reveals that packets are arriving on its interfaces, but it is refusing to forward packets and route them. What command verifies that the router is currently configured (in the kernel) to forward IP packets?

In the five-layer TCP/IP model, which protocol is contained in the same layer as IP?

Which two are true for multipathing? (Choose two.)