Which of the following best describes the ISR 1000?

Question

Options

• Aa routing solution for customers who do not need an SD-WAN architecture
• Ba high-performance single platform capable meeting Gigabit forwarding performance needs
• Ca high-performance platform that offers SD-WAN, comprehensive security, and wired and
• Dan entry-level platform delivering WAN, comprehensive security, and cellular connectivity

• B
  4% (2)
• C
  2% (1)
• D
  93% (42)

Explanation

Option D is correct because the Cisco ISR 1000 Series is designed as an entry-level branch router targeting small offices and remote sites, bundling WAN connectivity, integrated security features, and built-in cellular (LTE) support into a compact, affordable platform.

Why the distractors are wrong:

• A is wrong because the ISR 1000 actually does support SD-WAN (via Cisco IOS XE and vManage); lacking SD-WAN isn't a defining characteristic.
• B is wrong because Gigabit-class high performance describes higher-tier platforms like the ISR 4000 or ASR series - the ISR 1000 is entry-level, not a throughput champion.
• C is closer but describes a more comprehensive, higher-tier platform (like the ISR 4000) that offers the full SD-WAN + security + wired/wireless bundle at a larger scale.

Memory tip: Think of "1000" as "entry-level first step" - small number, small branch, but still packed with WAN + security + cellular (the key differentiator). If a question mentions cellular connectivity on a Cisco ISR, the ISR 1000 is the likely answer.

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