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Forty internal hosts share one public IPv4 address and initiate many outbound TCP sessions. Which NAT function makes that many-to-one mapping possible?
Many inside-local clients can share an inside-global address when different port mappings keep sessions distinct. Without port translation a simple one-to-one model is insufficient.
Duplicate private IP addresses produce conflicts and are not how PAT multiplexes flows.
A single static address mapping cannot simultaneously identify forty distinct source hosts without additional translation design.
Private RFC1918 addresses generally are not globally routed over the public Internet.
An internal HTTPS server 10.2.2.5 is mapped one-to-one to outside IP 203.0.113.55. External clients can reach the server but inside clients must retain source address 10.2.2.5 for internal traffic. Which NAT design fits?
Static NAT defines the externally visible mapping for the server. Appropriate inside/outside roles confine this translation to relevant boundary traffic.
A default route forwards traffic and does not create the public-to-private address translation.
Switch port-security controls learned Ethernet MAC addresses, not routed NAT address mappings.
Outbound PAT alone normally does not provide the fixed inbound address mapping external HTTPS clients require.
At a factory, a network operations engineer must verify that live inside-source NAT changed source 10.54.1.178 to a global address such as 203.0.113.65. Which IOS observation is most direct?
show ip nat translations displays the active inside-local/inside-global mappings, allowing verification that 10.54.1.178 translated into the configured global space.
A management login banner does not expose dynamic NAT mapping operation.
An Ethernet MAC table records Layer 2 forwarding, not IPv4 NAT mappings.
Spanning tree shows Layer 2 bridge roles, not routed packet address translation.
An office needs 200 internal IPv4 users to share the external GigabitEthernet0/0 address when accessing the Internet. Which NAT rule pattern is appropriate after marking inside/outside interfaces and defining matching source ACL 5?
The interface form uses the WAN interface address as inside-global, and overload uses distinct ports to multiplex concurrent hosts.
Without overload this does not provide the same concurrent many-to-one port multiplexing for many inside clients.
Outside-source translation targets a different direction and does not implement the requested inside-user PAT.
A one-host static translation does not match ACL 5 and the requirement for many inside users to share one global address.
An inside host is 10.0.1.15 and NAT translates its source to 203.0.113.10 for outbound traffic. Which term refers to 203.0.113.10 in Cisco NAT vocabulary?
The inside global is the translated public-facing representation of the inside host; the original private host address is the inside local.
The inside local in this example is 10.0.1.15 before translation.
203.0.113.10 represents the inside host after NAT, not the destination server as perceived internally.
The term outside global concerns a destination host’s externally known address, not the translated inside host source.
A live NAT overload session maps 10.1.4.20:51510 to 203.0.113.8:40012. Which observation would directly verify the translation exists on the IOS router?
The translation table records inside-local and inside-global address/port pairs. Inspect the active flow rather than assuming a configured NAT statement proves live translation.
VLAN membership cannot reveal the router’s translated Layer 3/4 address-port binding.
The device name provides no evidence of a live port translation.
Aggregate counts can show NAT activity but do not prove the specific source IP and port pair; inspect `show ip nat translations`.
At a customer support center, the branch support lead must verify that live inside-source NAT changed source 10.173.1.181 to a global address such as 203.0.113.35. Which IOS observation is most direct?
show ip nat translations displays the active inside-local/inside-global mappings, allowing verification that 10.173.1.181 translated into the configured global space.
A management login banner does not expose dynamic NAT mapping operation.
Spanning tree shows Layer 2 bridge roles, not routed packet address translation.
An Ethernet MAC table records Layer 2 forwarding, not IPv4 NAT mappings.
At a municipal utility, the campus network lead must make its branch router set its clock using a designated upstream time source. Which choice best addresses the stated requirement?
The IOS NTP client can synchronize to a configured server and expose association/sync status.
Trunking does not define an NTP source.
ntp master can make the device act as a local reference but does not establish the requested upstream client association.
A manually set clock does not provide periodic correction from an upstream NTP source.
At a supply depot, a network operations engineer must verify that its NTP client actually synchronized rather than merely accepting configuration syntax. Which choice best addresses the stated requirement?
NTP operational commands display selected peers and clock discipline rather than just stored configuration.
A command present does not prove the server was reached or selected.
HTTP reachability is not equivalent to NTP clock discipline.
VLAN membership is unrelated to NTP association state.
At an airport terminal, a network administrator needs a local fallback time reference when upstream servers are unavailable in an isolated test facility. Which choice best addresses the stated requirement?
An NTP master can provide local time to clients, but it is not an independent accurate external clock.
An unreachable upstream cannot supply synchronized time.
VLAN allowance does not create a clock reference.
Clock synchronization stops when NTP is disabled.
At a manufacturing plant, the infrastructure lead has two routers with different timestamps in syslog records and needs stable troubleshooting correlation. Which choice best addresses the stated requirement?
Consistent time improves timestamp ordering across logs; both devices must actually discipline their clocks.
Descriptions cannot synchronize clocks.
DHCP lease durations do not establish NTP sync.
Removing logs destroys forensic evidence instead of fixing clocks.
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