Explain common networking ports, protocols, services, and traffic types.
6 practice questions under this official exam objective (N10-009), each with the answer key, an option-by-option explanation and instant feedback.
Questions under this objective
6 total · page 1 of 1SSH vs. bastion host for closed network management
Securely managing a router or switch on a closed network calls for SSH, the encrypted remote CLI protocol, rather than a bastion host, RDP, or a split
Secure LDAP Port Configuration
This N10-009 question asks which firewall port enables secure LDAP communications. The correct answer is port 636, which supports LDAPS encryption.
Identifying Coaxial Network Connectors for N10-009
This guide explains which connector supports coaxial cable transmission. The correct answer is the BNC connector, distinguishing it from fiber (SC, MP
Which port does a DHCP client use for DHCPDISCOVER?
This question tests the DHCP port pair, specifically the client-side UDP port used for the initial DHCPDISCOVER broadcast. The correct answer is B (68
Which protocol has the highest administrative distance?
Border Gateway Protocol (BGP) has the highest administrative distance (200) among common routing protocols, making it less trusted than static routes,
LDAP Port 389 for User Authentication in N10-009
This N10-009 port question asks which service is most likely used for user authentication. The answer is B, LDAP over TCP 389, because its bind operat