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At a school district, an implementation partner sees route entry S 172.29.10.0/24 [1/68] via 10.171.0.1. What do the bracketed values represent in this IOS route entry?
In IOS bracket notation [1/68], the first value 1 is administrative distance and the second 68 is the route metric. AD compares different route sources; metric compares paths within the route source.
This reverses the documented bracket order. Administrative distance is 1, not 68, in [1/68].
Values in brackets after the route code are not an IPv4 mask and generic hop count. The network prefix specifies the mask separately.
Syslog facility/severity metadata belongs to logging configuration, not route installation bracket values.
At a telecom operations room, a network operations engineer interprets static route S 172.23.19.0/24 [1/0] via 10.177.0.1. What does the via field mean?
The via 10.177.0.1 field identifies the Layer 3 next-hop router for traffic matching 172.23.19.0/24. The outgoing interface and adjacency resolution determine actual Layer 2 forwarding.
A route next-hop is not a DHCP server parameter. DHCP lease processing is independent from RIB next hops.
The route destination is the listed prefix 172.23.19.0/24, not the value in the via field. A next-hop can serve many destinations.
10.177.0.1 is an IPv4 address, whereas MAC addresses identify Ethernet destinations; ARP can resolve the next hop to a MAC.
At a research campus, the on-call technician reviews the IPv4 routing table containing 172.30.112.0/24. Which statement correctly describes the prefix field?
An IPv4 prefix such as 172.30.112.0/24 defines the masked destination address space considered in route lookup. More specific matching routes may override it for subsets.
The destination prefix identifies a matched destination network, whereas a next-hop address is a separate route field.
The routing-table prefix describes a set of possible destination IP addresses for forwarding. Source matches are an ACL concept and are not implied by this RIB entry.
A hostname is a device identity label, not an IPv4 network and mask in the RIB.
A route to 10.59.192.0/24 appears in the routing table with `via 172.16.90.1, Gi1/0/34`. Which field represents the immediate Layer 3 next-hop address?
The via 172.16.90.1 field indicates the adjacent router IP that should receive traffic toward 10.59.192.0/24. A separate egress interface Gi1/0/34 is listed for local transmission.
Gi1/0/34 identifies a local physical interface, not a 32-bit IPv4 next-hop address.
The route source code is a one-letter descriptor of route origin and is not an address.
10.59.192.0/24 is the destination subnet being matched, not the gateway to which packets are handed.
A Cisco IPv4 routing table shows `R 172.20.4.0/24 [120/2] via 192.0.2.2`. Which part identifies how the route was learned?
IOS uses route-source codes before entries. `R` signifies RIP; the brackets then show source preference (AD 120) and RIP metric (2 hops).
The prefix identifies the set of destination addresses, while `R` is the route source; static routes normally show `S`.
The `via` address is the next-hop router, not the protocol hop-count metric shown after the slash inside brackets.
IPv4 prefixes use 0–32-bit mask lengths; 120 is an administrative distance here, not a mask length.
An IOS routing-table entry reads R 10.191.17.0/24 [120/97] via 172.16.18.1. Which interpretation of the bracketed fields is accurate?
IOS uses [administrative distance/metric] notation, so [120/97] means AD 120 and metric 97. AD ranks route sources for the same prefix.
This reverses the bracket field order. A different route source would not change the display convention.
Syslog severity/facility values are recorded by logging, not inside IP routing table path brackets.
The prefix 10.191.17.0/24 already specifies the mask, and TTL is a packet header field rather than bracket metadata.
R1 has `GigabitEthernet0/0` configured as 192.0.2.17/27. Its IPv4 routing table contains `C 192.0.2.0/27` and `L 192.0.2.17/32`. What is the purpose of the `L` entry?
The `L` code represents an address assigned to this router; IOS installs it as /32 even when the interface uses a wider connected prefix. The `C` route covers the link subnet.
The `C` route handles the connected network's address range, while `L /32` refers only to the router's own IP address.
A local host route is not a default route and cannot match every external destination.
`L` is local to the device, not an external routing-protocol code; the router does not learn its own interface address from a neighbor.
At a payment processor, the site engineer reads an IOS route-table line beginning with code O for 172.27.190.0/24. Which interpretation of that code is accurate?
Routing code O indicates OSPF-learned route: the prefix was installed through OSPFv2 route computation. The code describes how the route entered the RIB.
BGP-learned routes use B, not O; the observed code has a different routing origin.
DHCP pool configuration is separate from the forwarding table. The O entry is a route record.
Flooding is an Ethernet bridging behavior; a routing-table code identifies a Layer 3 route source.
At a factory, the campus network lead sees route entry R 172.25.236.0/24 [120/95] via 10.62.0.1. What do the bracketed values represent in this IOS route entry?
In IOS bracket notation [120/95], the first value 120 is administrative distance and the second 95 is the route metric. AD compares different route sources; metric compares paths within the route source.
This reverses the documented bracket order. Administrative distance is 120, not 95, in [120/95].
Syslog facility/severity metadata belongs to logging configuration, not route installation bracket values.
Values in brackets after the route code are not an IPv4 mask and generic hop count. The network prefix specifies the mask separately.
At a regional hospital, a network administrator interprets static route S 172.30.237.0/24 [1/0] via 10.133.0.1. What does the via field mean?
The via 10.133.0.1 field identifies the Layer 3 next-hop router for traffic matching 172.30.237.0/24. The outgoing interface and adjacency resolution determine actual Layer 2 forwarding.
A route next-hop is not a DHCP server parameter. DHCP lease processing is independent from RIB next hops.
10.133.0.1 is an IPv4 address, whereas MAC addresses identify Ethernet destinations; ARP can resolve the next hop to a MAC.
The route destination is the listed prefix 172.30.237.0/24, not the value in the via field. A next-hop can serve many destinations.
At a media studio, a network operations engineer reviews the IPv4 routing table containing 172.27.159.0/24. Which statement correctly describes the prefix field?
An IPv4 prefix such as 172.27.159.0/24 defines the masked destination address space considered in route lookup. More specific matching routes may override it for subsets.
The routing-table prefix describes a set of possible destination IP addresses for forwarding. Source matches are an ACL concept and are not implied by this RIB entry.
A hostname is a device identity label, not an IPv4 network and mask in the RIB.
An IPv4 prefix is the destination network and mask; administrative distance is an independent numeric route-source preference.
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