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Securing Networks with Cisco Routers and Switches Exam", also known as 642-504 exam, is a Cisco certification. There are a numerous collection of questions with answers also for this exam. In the 642-504 exam resources, you will cover every field and category in CCSP helping to ready you for your successful Cisco Certification. With this test you will be qualified in no time for Cisco routers and switches. The exam and covers all network aspects regarding Cisco routers and is a great way to learn.